3405820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 7928928

約数和(自身を除く): 4523108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 137, 220, 226, 274, 452, 548, 565, 685, 1130, 1243, 1370, 1507, 2260, 2486, 2740, 3014, 4972, 6028, 6215, 7535, 12430, 15070, 15481, 24860, 30140, 30962, 61924, 77405, 154810, 170291, 309620, 340582, 681164, 851455, 1702910, 3405820]

約数ペア:

[(1, 3405820), (2, 1702910), (4, 851455), (5, 681164), (10, 340582), (11, 309620), (20, 170291), (22, 154810), (44, 77405), (55, 61924), (110, 30962), (113, 30140), (137, 24860), (220, 15481), (226, 15070), (274, 12430), (452, 7535), (548, 6215), (565, 6028), (685, 4972), (1130, 3014), (1243, 2740), (1370, 2486), (1507, 2260)]