8804740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 21498624

約数和(自身を除く): 12693884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1031, 1220, 1708, 2062, 2135, 4124, 4270, 5155, 7217, 8540, 10310, 14434, 20620, 28868, 36085, 62891, 72170, 125782, 144340, 251564, 314455, 440237, 628910, 880474, 1257820, 1760948, 2201185, 4402370, 8804740]

約数ペア:

[(1, 8804740), (2, 4402370), (4, 2201185), (5, 1760948), (7, 1257820), (10, 880474), (14, 628910), (20, 440237), (28, 314455), (35, 251564), (61, 144340), (70, 125782), (122, 72170), (140, 62891), (244, 36085), (305, 28868), (427, 20620), (610, 14434), (854, 10310), (1031, 8540), (1220, 7217), (1708, 5155), (2062, 4270), (2135, 4124)]