851990050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{9011}}^1$

素因数の和:9115

約数の個数: 48

約数和(自身を含む): 1662822144

約数和(自身を除く): 810832094

約数列:

[1, 2, 5, 10, 25, 31, 50, 61, 62, 122, 155, 305, 310, 610, 775, 1525, 1550, 1891, 3050, 3782, 9011, 9455, 18022, 18910, 45055, 47275, 90110, 94550, 225275, 279341, 450550, 549671, 558682, 1099342, 1396705, 2748355, 2793410, 5496710, 6983525, 13741775, 13967050, 17039801, 27483550, 34079602, 85199005, 170398010, 425995025, 851990050]

約数ペア:

[(1, 851990050), (2, 425995025), (5, 170398010), (10, 85199005), (25, 34079602), (31, 27483550), (50, 17039801), (61, 13967050), (62, 13741775), (122, 6983525), (155, 5496710), (305, 2793410), (310, 2748355), (610, 1396705), (775, 1099342), (1525, 558682), (1550, 549671), (1891, 450550), (3050, 279341), (3782, 225275), (9011, 94550), (9455, 90110), (18022, 47275), (18910, 45055)]