305561620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167891}}^1$

素因数の和:167920

約数の個数: 48

約数和(自身を含む): 789763968

約数和(自身を除く): 484202348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 167891, 335782, 671564, 839455, 1175237, 1678910, 2182583, 2350474, 3357820, 4365166, 4700948, 5876185, 8730332, 10912915, 11752370, 15278081, 21825830, 23504740, 30556162, 43651660, 61112324, 76390405, 152780810, 305561620]

約数ペア:

[(1, 305561620), (2, 152780810), (4, 76390405), (5, 61112324), (7, 43651660), (10, 30556162), (13, 23504740), (14, 21825830), (20, 15278081), (26, 11752370), (28, 10912915), (35, 8730332), (52, 5876185), (65, 4700948), (70, 4365166), (91, 3357820), (130, 2350474), (140, 2182583), (182, 1678910), (260, 1175237), (364, 839455), (455, 671564), (910, 335782), (1820, 167891)]