421719140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{1201}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 900432624

約数和(自身を除く): 478713484

約数列:

[1, 2, 4, 5, 10, 20, 97, 181, 194, 362, 388, 485, 724, 905, 970, 1201, 1810, 1940, 2402, 3620, 4804, 6005, 12010, 17557, 24020, 35114, 70228, 87785, 116497, 175570, 217381, 232994, 351140, 434762, 465988, 582485, 869524, 1086905, 1164970, 2173810, 2329940, 4347620, 21085957, 42171914, 84343828, 105429785, 210859570, 421719140]

約数ペア:

[(1, 421719140), (2, 210859570), (4, 105429785), (5, 84343828), (10, 42171914), (20, 21085957), (97, 4347620), (181, 2329940), (194, 2173810), (362, 1164970), (388, 1086905), (485, 869524), (724, 582485), (905, 465988), (970, 434762), (1201, 351140), (1810, 232994), (1940, 217381), (2402, 175570), (3620, 116497), (4804, 87785), (6005, 70228), (12010, 35114), (17557, 24020)]