78807070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{929}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 150660000

約数和(自身を除く): 71852930

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 499, 929, 998, 1858, 2495, 4645, 4990, 8483, 9290, 15793, 16966, 31586, 42415, 78965, 84830, 157930, 463571, 927142, 2317855, 4635710, 7880707, 15761414, 39403535, 78807070]

約数ペア:

[(1, 78807070), (2, 39403535), (5, 15761414), (10, 7880707), (17, 4635710), (34, 2317855), (85, 927142), (170, 463571), (499, 157930), (929, 84830), (998, 78965), (1858, 42415), (2495, 31586), (4645, 16966), (4990, 15793), (8483, 9290)]