156645950980

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1621}}^1\times {\mathrm{12421}}^1$

素因数の和:14440

約数の個数: 48

約数和(自身を含む): 330032167920

約数和(自身を除く): 173386216940

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1621, 1945, 3242, 3890, 6484, 7780, 8105, 12421, 16210, 24842, 32420, 49684, 62105, 124210, 248420, 630569, 1261138, 2522276, 3152845, 4831769, 6305690, 9663538, 12611380, 19327076, 20134441, 24158845, 40268882, 48317690, 80537764, 96635380, 100672205, 201344410, 402688820, 7832297549, 15664595098, 31329190196, 39161487745, 78322975490, 156645950980]

約数ペア:

[(1, 156645950980), (2, 78322975490), (4, 39161487745), (5, 31329190196), (10, 15664595098), (20, 7832297549), (389, 402688820), (778, 201344410), (1556, 100672205), (1621, 96635380), (1945, 80537764), (3242, 48317690), (3890, 40268882), (6484, 24158845), (7780, 20134441), (8105, 19327076), (12421, 12611380), (16210, 9663538), (24842, 6305690), (32420, 4831769), (49684, 3152845), (62105, 2522276), (124210, 1261138), (248420, 630569)]