123434320

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4421}}^1$

素因数の和:4783

約数の個数: 40

約数和(自身を含む): 287872200

約数和(自身を除く): 164437880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 4421, 5584, 6980, 8842, 13960, 17684, 22105, 27920, 35368, 44210, 70736, 88420, 176840, 353680, 1542929, 3085858, 6171716, 7714645, 12343432, 15429290, 24686864, 30858580, 61717160, 123434320]

約数ペア:

[(1, 123434320), (2, 61717160), (4, 30858580), (5, 24686864), (8, 15429290), (10, 12343432), (16, 7714645), (20, 6171716), (40, 3085858), (80, 1542929), (349, 353680), (698, 176840), (1396, 88420), (1745, 70736), (2792, 44210), (3490, 35368), (4421, 27920), (5584, 22105), (6980, 17684), (8842, 13960)]