89271860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1033}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 195426000

約数和(自身を除く): 106154140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1033, 1490, 2066, 2980, 4132, 4321, 5165, 8642, 10330, 17284, 20660, 21605, 29957, 43210, 59914, 86420, 119828, 149785, 153917, 299570, 307834, 599140, 615668, 769585, 1539170, 3078340, 4463593, 8927186, 17854372, 22317965, 44635930, 89271860]

約数ペア:

[(1, 89271860), (2, 44635930), (4, 22317965), (5, 17854372), (10, 8927186), (20, 4463593), (29, 3078340), (58, 1539170), (116, 769585), (145, 615668), (149, 599140), (290, 307834), (298, 299570), (580, 153917), (596, 149785), (745, 119828), (1033, 86420), (1490, 59914), (2066, 43210), (2980, 29957), (4132, 21605), (4321, 20660), (5165, 17284), (8642, 10330)]