189871120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 459970560

約数和(自身を除く): 270099440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 223, 232, 290, 367, 446, 464, 580, 734, 892, 1115, 1160, 1468, 1784, 1835, 2230, 2320, 2936, 3568, 3670, 4460, 5872, 6467, 7340, 8920, 10643, 12934, 14680, 17840, 21286, 25868, 29360, 32335, 42572, 51736, 53215, 64670, 81841, 85144, 103472, 106430, 129340, 163682, 170288, 212860, 258680, 327364, 409205, 425720, 517360, 654728, 818410, 851440, 1309456, 1636820, 2373389, 3273640, 4746778, 6547280, 9493556, 11866945, 18987112, 23733890, 37974224, 47467780, 94935560, 189871120]

約数ペア:

[(1, 189871120), (2, 94935560), (4, 47467780), (5, 37974224), (8, 23733890), (10, 18987112), (16, 11866945), (20, 9493556), (29, 6547280), (40, 4746778), (58, 3273640), (80, 2373389), (116, 1636820), (145, 1309456), (223, 851440), (232, 818410), (290, 654728), (367, 517360), (446, 425720), (464, 409205), (580, 327364), (734, 258680), (892, 212860), (1115, 170288), (1160, 163682), (1468, 129340), (1784, 106430), (1835, 103472), (2230, 85144), (2320, 81841), (2936, 64670), (3568, 53215), (3670, 51736), (4460, 42572), (5872, 32335), (6467, 29360), (7340, 25868), (8920, 21286), (10643, 17840), (12934, 14680)]