268409840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{90679}}^1$

素因数の和:90729

約数の個数: 40

約数和(自身を含む): 640926240

約数和(自身を除く): 372516400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 90679, 181358, 362716, 453395, 725432, 906790, 1450864, 1813580, 3355123, 3627160, 6710246, 7254320, 13420492, 16775615, 26840984, 33551230, 53681968, 67102460, 134204920, 268409840]

約数ペア:

[(1, 268409840), (2, 134204920), (4, 67102460), (5, 53681968), (8, 33551230), (10, 26840984), (16, 16775615), (20, 13420492), (37, 7254320), (40, 6710246), (74, 3627160), (80, 3355123), (148, 1813580), (185, 1450864), (296, 906790), (370, 725432), (592, 453395), (740, 362716), (1480, 181358), (2960, 90679)]