398037360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 1460763648

約数和(自身を除く): 1062726288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 71, 80, 84, 94, 105, 112, 120, 140, 141, 142, 168, 188, 210, 213, 235, 240, 280, 282, 284, 329, 336, 355, 376, 420, 426, 470, 497, 560, 564, 568, 658, 705, 710, 752, 840, 852, 940, 987, 994, 1065, 1128, 1136, 1316, 1410, 1420, 1491, 1645, 1680, 1704, 1880, 1974, 1988, 2130, 2256, 2485, 2632, 2820, 2840, 2982, 3290, 3337, 3408, 3760, 3948, 3976, 4260, 4935, 4970, 5041, 5264, 5640, 5680, 5964, 6580, 6674, 7455, 7896, 7952, 8520, 9870, 9940, 10011, 10082, 11280, 11928, 13160, 13348, 14910, 15123, 15792, 16685, 17040, 19740, 19880, 20022, 20164, 23359, 23856, 25205, 26320, 26696, 29820, 30246, 33370, 35287, 39480, 39760, 40044, 40328, 46718, 50055, 50410, 53392, 59640, 60492, 66740, 70077, 70574, 75615, 78960, 80088, 80656, 93436, 100110, 100820, 105861, 116795, 119280, 120984, 133480, 140154, 141148, 151230, 160176, 176435, 186872, 200220, 201640, 211722, 233590, 236927, 241968, 266960, 280308, 282296, 302460, 350385, 352870, 373744, 400440, 403280, 423444, 467180, 473854, 529305, 560616, 564592, 604920, 700770, 705740, 710781, 800880, 846888, 934360, 947708, 1058610, 1121232, 1184635, 1209840, 1401540, 1411480, 1421562, 1658489, 1693776, 1868720, 1895416, 2117220, 2369270, 2803080, 2822960, 2843124, 3316978, 3553905, 3790832, 4234440, 4738540, 4975467, 5606160, 5686248, 6633956, 7107810, 8292445, 8468880, 9477080, 9950934, 11372496, 13267912, 14215620, 16584890, 18954160, 19901868, 24877335, 26535824, 28431240, 33169780, 39803736, 49754670, 56862480, 66339560, 79607472, 99509340, 132679120, 199018680, 398037360]

約数ペア:

[(1, 398037360), (2, 199018680), (3, 132679120), (4, 99509340), (5, 79607472), (6, 66339560), (7, 56862480), (8, 49754670), (10, 39803736), (12, 33169780), (14, 28431240), (15, 26535824), (16, 24877335), (20, 19901868), (21, 18954160), (24, 16584890), (28, 14215620), (30, 13267912), (35, 11372496), (40, 9950934), (42, 9477080), (47, 8468880), (48, 8292445), (56, 7107810), (60, 6633956), (70, 5686248), (71, 5606160), (80, 4975467), (84, 4738540), (94, 4234440), (105, 3790832), (112, 3553905), (120, 3316978), (140, 2843124), (141, 2822960), (142, 2803080), (168, 2369270), (188, 2117220), (210, 1895416), (213, 1868720), (235, 1693776), (240, 1658489), (280, 1421562), (282, 1411480), (284, 1401540), (329, 1209840), (336, 1184635), (355, 1121232), (376, 1058610), (420, 947708), (426, 934360), (470, 846888), (497, 800880), (560, 710781), (564, 705740), (568, 700770), (658, 604920), (705, 564592), (710, 560616), (752, 529305), (840, 473854), (852, 467180), (940, 423444), (987, 403280), (994, 400440), (1065, 373744), (1128, 352870), (1136, 350385), (1316, 302460), (1410, 282296), (1420, 280308), (1491, 266960), (1645, 241968), (1680, 236927), (1704, 233590), (1880, 211722), (1974, 201640), (1988, 200220), (2130, 186872), (2256, 176435), (2485, 160176), (2632, 151230), (2820, 141148), (2840, 140154), (2982, 133480), (3290, 120984), (3337, 119280), (3408, 116795), (3760, 105861), (3948, 100820), (3976, 100110), (4260, 93436), (4935, 80656), (4970, 80088), (5041, 78960), (5264, 75615), (5640, 70574), (5680, 70077), (5964, 66740), (6580, 60492), (6674, 59640), (7455, 53392), (7896, 50410), (7952, 50055), (8520, 46718), (9870, 40328), (9940, 40044), (10011, 39760), (10082, 39480), (11280, 35287), (11928, 33370), (13160, 30246), (13348, 29820), (14910, 26696), (15123, 26320), (15792, 25205), (16685, 23856), (17040, 23359), (19740, 20164), (19880, 20022)]