313645160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2969}}^1$

素因数の和:3138

約数の個数: 64

約数和(自身を含む): 748440000

約数和(自身を除く): 434794840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 695, 760, 1112, 1390, 2641, 2780, 2969, 5282, 5560, 5938, 10564, 11876, 13205, 14845, 21128, 23752, 26410, 29690, 52820, 56411, 59380, 105640, 112822, 118760, 225644, 282055, 412691, 451288, 564110, 825382, 1128220, 1650764, 2063455, 2256440, 3301528, 4126910, 7841129, 8253820, 15682258, 16507640, 31364516, 39205645, 62729032, 78411290, 156822580, 313645160]

約数ペア:

[(1, 313645160), (2, 156822580), (4, 78411290), (5, 62729032), (8, 39205645), (10, 31364516), (19, 16507640), (20, 15682258), (38, 8253820), (40, 7841129), (76, 4126910), (95, 3301528), (139, 2256440), (152, 2063455), (190, 1650764), (278, 1128220), (380, 825382), (556, 564110), (695, 451288), (760, 412691), (1112, 282055), (1390, 225644), (2641, 118760), (2780, 112822), (2969, 105640), (5282, 59380), (5560, 56411), (5938, 52820), (10564, 29690), (11876, 26410), (13205, 23752), (14845, 21128)]