1878648620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^2\times {\mathrm{4231}}^1$

素因数の和:4538

約数の個数: 36

約数和(自身を含む): 3972756144

約数和(自身を除く): 2094107524

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 4231, 8462, 16924, 21155, 22201, 42310, 44402, 84620, 88804, 111005, 222010, 444020, 630419, 1260838, 2521676, 3152095, 6304190, 12608380, 93932431, 187864862, 375729724, 469662155, 939324310, 1878648620]

約数ペア:

[(1, 1878648620), (2, 939324310), (4, 469662155), (5, 375729724), (10, 187864862), (20, 93932431), (149, 12608380), (298, 6304190), (596, 3152095), (745, 2521676), (1490, 1260838), (2980, 630419), (4231, 444020), (8462, 222010), (16924, 111005), (21155, 88804), (22201, 84620), (42310, 44402)]