196380580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4321

約数の個数: 72

約数和(自身を含む): 477267840

約数和(自身を除く): 280887260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4271, 4598, 8542, 9196, 11495, 17084, 21355, 22990, 42710, 45980, 46981, 81149, 85420, 93962, 162298, 187924, 234905, 324596, 405745, 469810, 516791, 811490, 892639, 939620, 1033582, 1622980, 1785278, 2067164, 2583955, 3570556, 4463195, 5167910, 8926390, 9819029, 10335820, 17852780, 19638058, 39276116, 49095145, 98190290, 196380580]

約数ペア:

[(1, 196380580), (2, 98190290), (4, 49095145), (5, 39276116), (10, 19638058), (11, 17852780), (19, 10335820), (20, 9819029), (22, 8926390), (38, 5167910), (44, 4463195), (55, 3570556), (76, 2583955), (95, 2067164), (110, 1785278), (121, 1622980), (190, 1033582), (209, 939620), (220, 892639), (242, 811490), (380, 516791), (418, 469810), (484, 405745), (605, 324596), (836, 234905), (1045, 187924), (1210, 162298), (2090, 93962), (2299, 85420), (2420, 81149), (4180, 46981), (4271, 45980), (4598, 42710), (8542, 22990), (9196, 21355), (11495, 17084)]