210860500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 479999520

約数和(自身を除く): 269139020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 73, 100, 106, 109, 125, 146, 212, 218, 250, 265, 292, 365, 436, 500, 530, 545, 730, 1060, 1090, 1325, 1460, 1825, 2180, 2650, 2725, 3650, 3869, 5300, 5450, 5777, 6625, 7300, 7738, 7957, 9125, 10900, 11554, 13250, 13625, 15476, 15914, 18250, 19345, 23108, 26500, 27250, 28885, 31828, 36500, 38690, 39785, 54500, 57770, 77380, 79570, 96725, 115540, 144425, 159140, 193450, 198925, 288850, 386900, 397850, 421721, 483625, 577700, 722125, 795700, 843442, 967250, 994625, 1444250, 1686884, 1934500, 1989250, 2108605, 2888500, 3978500, 4217210, 8434420, 10543025, 21086050, 42172100, 52715125, 105430250, 210860500]

約数ペア:

[(1, 210860500), (2, 105430250), (4, 52715125), (5, 42172100), (10, 21086050), (20, 10543025), (25, 8434420), (50, 4217210), (53, 3978500), (73, 2888500), (100, 2108605), (106, 1989250), (109, 1934500), (125, 1686884), (146, 1444250), (212, 994625), (218, 967250), (250, 843442), (265, 795700), (292, 722125), (365, 577700), (436, 483625), (500, 421721), (530, 397850), (545, 386900), (730, 288850), (1060, 198925), (1090, 193450), (1325, 159140), (1460, 144425), (1825, 115540), (2180, 96725), (2650, 79570), (2725, 77380), (3650, 57770), (3869, 54500), (5300, 39785), (5450, 38690), (5777, 36500), (6625, 31828), (7300, 28885), (7738, 27250), (7957, 26500), (9125, 23108), (10900, 19345), (11554, 18250), (13250, 15914), (13625, 15476)]