407848140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:237

約数の個数: 288

約数和(自身を含む): 1479389184

約数和(自身を除く): 1071541044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 71, 84, 90, 94, 97, 105, 126, 140, 141, 142, 180, 188, 194, 210, 213, 235, 252, 282, 284, 291, 315, 329, 355, 388, 420, 423, 426, 470, 485, 497, 564, 582, 630, 639, 658, 679, 705, 710, 846, 852, 873, 940, 970, 987, 994, 1065, 1164, 1260, 1278, 1316, 1358, 1410, 1420, 1455, 1491, 1645, 1692, 1746, 1940, 1974, 1988, 2037, 2115, 2130, 2485, 2556, 2716, 2820, 2910, 2961, 2982, 3195, 3290, 3337, 3395, 3492, 3948, 4074, 4230, 4260, 4365, 4473, 4559, 4935, 4970, 5820, 5922, 5964, 6111, 6390, 6580, 6674, 6790, 6887, 7455, 8148, 8460, 8730, 8946, 9118, 9870, 9940, 10011, 10185, 11844, 12222, 12780, 13348, 13580, 13677, 13774, 14805, 14910, 16685, 17460, 17892, 18236, 19740, 20022, 20370, 20661, 22365, 22795, 23359, 24444, 27354, 27548, 29610, 29820, 30033, 30555, 31913, 33370, 34435, 40044, 40740, 41031, 41322, 44730, 45590, 46718, 48209, 50055, 54708, 59220, 60066, 61110, 61983, 63826, 66740, 68385, 68870, 70077, 82062, 82644, 89460, 91180, 93436, 95739, 96418, 100110, 103305, 116795, 120132, 122220, 123966, 127652, 136770, 137740, 140154, 144627, 150165, 159565, 164124, 191478, 192836, 200220, 205155, 206610, 210231, 233590, 241045, 247932, 273540, 280308, 287217, 289254, 300330, 309915, 319130, 323689, 350385, 382956, 410310, 413220, 420462, 433881, 467180, 478695, 482090, 574434, 578508, 600660, 619830, 638260, 647378, 700770, 723135, 820620, 840924, 867762, 957390, 964180, 971067, 1051155, 1148868, 1239660, 1294756, 1401540, 1436085, 1446270, 1618445, 1735524, 1914780, 1942134, 2102310, 2169405, 2265823, 2872170, 2892540, 2913201, 3236890, 3884268, 4204620, 4338810, 4531646, 4855335, 5744340, 5826402, 6473780, 6797469, 8677620, 9063292, 9710670, 11329115, 11652804, 13594938, 14566005, 19421340, 20392407, 22658230, 27189876, 29132010, 33987345, 40784814, 45316460, 58264020, 67974690, 81569628, 101962035, 135949380, 203924070, 407848140]

約数ペア:

[(1, 407848140), (2, 203924070), (3, 135949380), (4, 101962035), (5, 81569628), (6, 67974690), (7, 58264020), (9, 45316460), (10, 40784814), (12, 33987345), (14, 29132010), (15, 27189876), (18, 22658230), (20, 20392407), (21, 19421340), (28, 14566005), (30, 13594938), (35, 11652804), (36, 11329115), (42, 9710670), (45, 9063292), (47, 8677620), (60, 6797469), (63, 6473780), (70, 5826402), (71, 5744340), (84, 4855335), (90, 4531646), (94, 4338810), (97, 4204620), (105, 3884268), (126, 3236890), (140, 2913201), (141, 2892540), (142, 2872170), (180, 2265823), (188, 2169405), (194, 2102310), (210, 1942134), (213, 1914780), (235, 1735524), (252, 1618445), (282, 1446270), (284, 1436085), (291, 1401540), (315, 1294756), (329, 1239660), (355, 1148868), (388, 1051155), (420, 971067), (423, 964180), (426, 957390), (470, 867762), (485, 840924), (497, 820620), (564, 723135), (582, 700770), (630, 647378), (639, 638260), (658, 619830), (679, 600660), (705, 578508), (710, 574434), (846, 482090), (852, 478695), (873, 467180), (940, 433881), (970, 420462), (987, 413220), (994, 410310), (1065, 382956), (1164, 350385), (1260, 323689), (1278, 319130), (1316, 309915), (1358, 300330), (1410, 289254), (1420, 287217), (1455, 280308), (1491, 273540), (1645, 247932), (1692, 241045), (1746, 233590), (1940, 210231), (1974, 206610), (1988, 205155), (2037, 200220), (2115, 192836), (2130, 191478), (2485, 164124), (2556, 159565), (2716, 150165), (2820, 144627), (2910, 140154), (2961, 137740), (2982, 136770), (3195, 127652), (3290, 123966), (3337, 122220), (3395, 120132), (3492, 116795), (3948, 103305), (4074, 100110), (4230, 96418), (4260, 95739), (4365, 93436), (4473, 91180), (4559, 89460), (4935, 82644), (4970, 82062), (5820, 70077), (5922, 68870), (5964, 68385), (6111, 66740), (6390, 63826), (6580, 61983), (6674, 61110), (6790, 60066), (6887, 59220), (7455, 54708), (8148, 50055), (8460, 48209), (8730, 46718), (8946, 45590), (9118, 44730), (9870, 41322), (9940, 41031), (10011, 40740), (10185, 40044), (11844, 34435), (12222, 33370), (12780, 31913), (13348, 30555), (13580, 30033), (13677, 29820), (13774, 29610), (14805, 27548), (14910, 27354), (16685, 24444), (17460, 23359), (17892, 22795), (18236, 22365), (19740, 20661), (20022, 20370)]