100400320

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:426

約数の個数: 112

約数和(自身を含む): 256032000

約数和(自身を除く): 155631680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 145, 155, 160, 232, 248, 290, 310, 320, 349, 464, 496, 580, 620, 698, 899, 928, 992, 1160, 1240, 1396, 1745, 1798, 1856, 1984, 2320, 2480, 2792, 3490, 3596, 4495, 4640, 4960, 5584, 6980, 7192, 8990, 9280, 9920, 10121, 10819, 11168, 13960, 14384, 17980, 20242, 21638, 22336, 27920, 28768, 35960, 40484, 43276, 50605, 54095, 55840, 57536, 71920, 80968, 86552, 101210, 108190, 111680, 143840, 161936, 173104, 202420, 216380, 287680, 313751, 323872, 346208, 404840, 432760, 627502, 647744, 692416, 809680, 865520, 1255004, 1568755, 1619360, 1731040, 2510008, 3137510, 3238720, 3462080, 5020016, 6275020, 10040032, 12550040, 20080064, 25100080, 50200160, 100400320]

約数ペア:

[(1, 100400320), (2, 50200160), (4, 25100080), (5, 20080064), (8, 12550040), (10, 10040032), (16, 6275020), (20, 5020016), (29, 3462080), (31, 3238720), (32, 3137510), (40, 2510008), (58, 1731040), (62, 1619360), (64, 1568755), (80, 1255004), (116, 865520), (124, 809680), (145, 692416), (155, 647744), (160, 627502), (232, 432760), (248, 404840), (290, 346208), (310, 323872), (320, 313751), (349, 287680), (464, 216380), (496, 202420), (580, 173104), (620, 161936), (698, 143840), (899, 111680), (928, 108190), (992, 101210), (1160, 86552), (1240, 80968), (1396, 71920), (1745, 57536), (1798, 55840), (1856, 54095), (1984, 50605), (2320, 43276), (2480, 40484), (2792, 35960), (3490, 28768), (3596, 27920), (4495, 22336), (4640, 21638), (4960, 20242), (5584, 17980), (6980, 14384), (7192, 13960), (8990, 11168), (9280, 10819), (9920, 10121)]