254665740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 288

約数和(自身を含む): 900910080

約数和(自身を除く): 646244340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 47, 49, 57, 60, 70, 76, 84, 94, 95, 97, 98, 105, 114, 133, 140, 141, 147, 188, 190, 194, 196, 210, 228, 235, 245, 266, 282, 285, 291, 294, 329, 380, 388, 399, 420, 470, 485, 490, 532, 564, 570, 582, 588, 658, 665, 679, 705, 735, 798, 893, 931, 940, 970, 980, 987, 1140, 1164, 1316, 1330, 1358, 1410, 1455, 1470, 1596, 1645, 1786, 1843, 1862, 1940, 1974, 1995, 2037, 2303, 2660, 2679, 2716, 2793, 2820, 2910, 2940, 3290, 3395, 3572, 3686, 3724, 3948, 3990, 4074, 4465, 4559, 4606, 4655, 4753, 4935, 5358, 5529, 5586, 5820, 6251, 6580, 6790, 6909, 7372, 7980, 8148, 8930, 9118, 9212, 9215, 9310, 9506, 9870, 10185, 10716, 11058, 11172, 11515, 12502, 12901, 13395, 13580, 13677, 13818, 13965, 14259, 17860, 18236, 18430, 18620, 18753, 19012, 19740, 20370, 22116, 22795, 23030, 23765, 25004, 25802, 26790, 27354, 27636, 27645, 27930, 28518, 31255, 31913, 34545, 36860, 37506, 38703, 40740, 43757, 45590, 46060, 47530, 51604, 53580, 54708, 55290, 55860, 57036, 62510, 63826, 64505, 68385, 69090, 71295, 75012, 77406, 86621, 87514, 90307, 91180, 93765, 95060, 95739, 110580, 125020, 127652, 129010, 131271, 136770, 138180, 142590, 154812, 159565, 173242, 175028, 180614, 187530, 191478, 193515, 218785, 223391, 258020, 259863, 262542, 270921, 273540, 285180, 319130, 346484, 361228, 375060, 382956, 387030, 433105, 437570, 446782, 451535, 478695, 519726, 525084, 541842, 606347, 638260, 656355, 670173, 774060, 866210, 875140, 893564, 903070, 957390, 1039452, 1083684, 1116955, 1212694, 1299315, 1312710, 1340346, 1354605, 1732420, 1806140, 1819041, 1914780, 2233910, 2425388, 2598630, 2625420, 2680692, 2709210, 3031735, 3350865, 3638082, 4244429, 4467820, 5197260, 5418420, 6063470, 6701730, 7276164, 8488858, 9095205, 12126940, 12733287, 13403460, 16977716, 18190410, 21222145, 25466574, 36380820, 42444290, 50933148, 63666435, 84888580, 127332870, 254665740]

約数ペア:

[(1, 254665740), (2, 127332870), (3, 84888580), (4, 63666435), (5, 50933148), (6, 42444290), (7, 36380820), (10, 25466574), (12, 21222145), (14, 18190410), (15, 16977716), (19, 13403460), (20, 12733287), (21, 12126940), (28, 9095205), (30, 8488858), (35, 7276164), (38, 6701730), (42, 6063470), (47, 5418420), (49, 5197260), (57, 4467820), (60, 4244429), (70, 3638082), (76, 3350865), (84, 3031735), (94, 2709210), (95, 2680692), (97, 2625420), (98, 2598630), (105, 2425388), (114, 2233910), (133, 1914780), (140, 1819041), (141, 1806140), (147, 1732420), (188, 1354605), (190, 1340346), (194, 1312710), (196, 1299315), (210, 1212694), (228, 1116955), (235, 1083684), (245, 1039452), (266, 957390), (282, 903070), (285, 893564), (291, 875140), (294, 866210), (329, 774060), (380, 670173), (388, 656355), (399, 638260), (420, 606347), (470, 541842), (485, 525084), (490, 519726), (532, 478695), (564, 451535), (570, 446782), (582, 437570), (588, 433105), (658, 387030), (665, 382956), (679, 375060), (705, 361228), (735, 346484), (798, 319130), (893, 285180), (931, 273540), (940, 270921), (970, 262542), (980, 259863), (987, 258020), (1140, 223391), (1164, 218785), (1316, 193515), (1330, 191478), (1358, 187530), (1410, 180614), (1455, 175028), (1470, 173242), (1596, 159565), (1645, 154812), (1786, 142590), (1843, 138180), (1862, 136770), (1940, 131271), (1974, 129010), (1995, 127652), (2037, 125020), (2303, 110580), (2660, 95739), (2679, 95060), (2716, 93765), (2793, 91180), (2820, 90307), (2910, 87514), (2940, 86621), (3290, 77406), (3395, 75012), (3572, 71295), (3686, 69090), (3724, 68385), (3948, 64505), (3990, 63826), (4074, 62510), (4465, 57036), (4559, 55860), (4606, 55290), (4655, 54708), (4753, 53580), (4935, 51604), (5358, 47530), (5529, 46060), (5586, 45590), (5820, 43757), (6251, 40740), (6580, 38703), (6790, 37506), (6909, 36860), (7372, 34545), (7980, 31913), (8148, 31255), (8930, 28518), (9118, 27930), (9212, 27645), (9215, 27636), (9310, 27354), (9506, 26790), (9870, 25802), (10185, 25004), (10716, 23765), (11058, 23030), (11172, 22795), (11515, 22116), (12502, 20370), (12901, 19740), (13395, 19012), (13580, 18753), (13677, 18620), (13818, 18430), (13965, 18236), (14259, 17860)]