399440208

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{811}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 1069709312

約数和(自身を除く): 670269104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 331, 372, 496, 662, 744, 811, 993, 1324, 1488, 1622, 1986, 2433, 2648, 3244, 3972, 4866, 5296, 6488, 7944, 9732, 10261, 12976, 15888, 19464, 20522, 25141, 30783, 38928, 41044, 50282, 61566, 75423, 82088, 100564, 123132, 150846, 164176, 201128, 246264, 268441, 301692, 402256, 492528, 536882, 603384, 805323, 1073764, 1206768, 1610646, 2147528, 3221292, 4295056, 6442584, 8321671, 12885168, 16643342, 24965013, 33286684, 49930026, 66573368, 99860052, 133146736, 199720104, 399440208]

約数ペア:

[(1, 399440208), (2, 199720104), (3, 133146736), (4, 99860052), (6, 66573368), (8, 49930026), (12, 33286684), (16, 24965013), (24, 16643342), (31, 12885168), (48, 8321671), (62, 6442584), (93, 4295056), (124, 3221292), (186, 2147528), (248, 1610646), (331, 1206768), (372, 1073764), (496, 805323), (662, 603384), (744, 536882), (811, 492528), (993, 402256), (1324, 301692), (1488, 268441), (1622, 246264), (1986, 201128), (2433, 164176), (2648, 150846), (3244, 123132), (3972, 100564), (4866, 82088), (5296, 75423), (6488, 61566), (7944, 50282), (9732, 41044), (10261, 38928), (12976, 30783), (15888, 25141), (19464, 20522)]