311919920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23071}}^1$

素因数の和:23110

約数の個数: 60

約数和(自身を含む): 785324736

約数和(自身を除く): 473404816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 23071, 46142, 92284, 115355, 184568, 230710, 299923, 369136, 461420, 599846, 922840, 1199692, 1499615, 1845680, 2399384, 2999230, 3898999, 4798768, 5998460, 7797998, 11996920, 15595996, 19494995, 23993840, 31191992, 38989990, 62383984, 77979980, 155959960, 311919920]

約数ペア:

[(1, 311919920), (2, 155959960), (4, 77979980), (5, 62383984), (8, 38989990), (10, 31191992), (13, 23993840), (16, 19494995), (20, 15595996), (26, 11996920), (40, 7797998), (52, 5998460), (65, 4798768), (80, 3898999), (104, 2999230), (130, 2399384), (169, 1845680), (208, 1499615), (260, 1199692), (338, 922840), (520, 599846), (676, 461420), (845, 369136), (1040, 299923), (1352, 230710), (1690, 184568), (2704, 115355), (3380, 92284), (6760, 46142), (13520, 23071)]