30878200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2531}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 72997560

約数和(自身を除く): 42119360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 2531, 3050, 5062, 6100, 10124, 12200, 12655, 20248, 25310, 50620, 63275, 101240, 126550, 154391, 253100, 308782, 506200, 617564, 771955, 1235128, 1543910, 3087820, 3859775, 6175640, 7719550, 15439100, 30878200]

約数ペア:

[(1, 30878200), (2, 15439100), (4, 7719550), (5, 6175640), (8, 3859775), (10, 3087820), (20, 1543910), (25, 1235128), (40, 771955), (50, 617564), (61, 506200), (100, 308782), (122, 253100), (200, 154391), (244, 126550), (305, 101240), (488, 63275), (610, 50620), (1220, 25310), (1525, 20248), (2440, 12655), (2531, 12200), (3050, 10124), (5062, 6100)]