57639160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 137700000

約数和(自身を除く): 80060840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 509, 596, 745, 760, 1018, 1192, 1490, 2036, 2545, 2831, 2980, 4072, 5090, 5662, 5960, 9671, 10180, 11324, 14155, 19342, 20360, 22648, 28310, 38684, 48355, 56620, 75841, 77368, 96710, 113240, 151682, 193420, 303364, 379205, 386840, 606728, 758410, 1440979, 1516820, 2881958, 3033640, 5763916, 7204895, 11527832, 14409790, 28819580, 57639160]

約数ペア:

[(1, 57639160), (2, 28819580), (4, 14409790), (5, 11527832), (8, 7204895), (10, 5763916), (19, 3033640), (20, 2881958), (38, 1516820), (40, 1440979), (76, 758410), (95, 606728), (149, 386840), (152, 379205), (190, 303364), (298, 193420), (380, 151682), (509, 113240), (596, 96710), (745, 77368), (760, 75841), (1018, 56620), (1192, 48355), (1490, 38684), (2036, 28310), (2545, 22648), (2831, 20360), (2980, 19342), (4072, 14155), (5090, 11324), (5662, 10180), (5960, 9671)]