297137360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{285709}}^1$

素因数の和:285735

約数の個数: 40

約数和(自身を含む): 743988840

約数和(自身を除く): 446851480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 285709, 571418, 1142836, 1428545, 2285672, 2857090, 3714217, 4571344, 5714180, 7428434, 11428360, 14856868, 18571085, 22856720, 29713736, 37142170, 59427472, 74284340, 148568680, 297137360]

約数ペア:

[(1, 297137360), (2, 148568680), (4, 74284340), (5, 59427472), (8, 37142170), (10, 29713736), (13, 22856720), (16, 18571085), (20, 14856868), (26, 11428360), (40, 7428434), (52, 5714180), (65, 4571344), (80, 3714217), (104, 2857090), (130, 2285672), (208, 1428545), (260, 1142836), (520, 571418), (1040, 285709)]