1570407820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{13999}}^1$

素因数の和:14158

約数の個数: 48

約数和(自身を含む): 3386880000

約数和(自身を除く): 1816472180

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 710, 790, 1420, 1580, 5609, 11218, 13999, 22436, 27998, 28045, 55996, 56090, 69995, 112180, 139990, 279980, 993929, 1105921, 1987858, 2211842, 3975716, 4423684, 4969645, 5529605, 9939290, 11059210, 19878580, 22118420, 78520391, 157040782, 314081564, 392601955, 785203910, 1570407820]

約数ペア:

[(1, 1570407820), (2, 785203910), (4, 392601955), (5, 314081564), (10, 157040782), (20, 78520391), (71, 22118420), (79, 19878580), (142, 11059210), (158, 9939290), (284, 5529605), (316, 4969645), (355, 4423684), (395, 3975716), (710, 2211842), (790, 1987858), (1420, 1105921), (1580, 993929), (5609, 279980), (11218, 139990), (13999, 112180), (22436, 69995), (27998, 56090), (28045, 55996)]