256789930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{2683}}^1$

素因数の和:3270

約数の個数: 32

約数和(自身を含む): 490463424

約数和(自身を除く): 233673494

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 563, 1126, 2683, 2815, 5366, 5630, 9571, 13415, 19142, 26830, 45611, 47855, 91222, 95710, 228055, 456110, 1510529, 3021058, 7552645, 15105290, 25678993, 51357986, 128394965, 256789930]

約数ペア:

[(1, 256789930), (2, 128394965), (5, 51357986), (10, 25678993), (17, 15105290), (34, 7552645), (85, 3021058), (170, 1510529), (563, 456110), (1126, 228055), (2683, 95710), (2815, 91222), (5366, 47855), (5630, 45611), (9571, 26830), (13415, 19142)]