427156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{23291}}^1$

素因数の和:23438

約数の個数: 48

約数和(自身を含む): 1033046784

約数和(自身を除く): 605889844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340, 23291, 46582, 93164, 116455, 163037, 232910, 326074, 465820, 652148, 815185, 1630370, 3051121, 3260740, 6102242, 12204484, 15255605, 21357847, 30511210, 42715694, 61022420, 85431388, 106789235, 213578470, 427156940]

約数ペア:

[(1, 427156940), (2, 213578470), (4, 106789235), (5, 85431388), (7, 61022420), (10, 42715694), (14, 30511210), (20, 21357847), (28, 15255605), (35, 12204484), (70, 6102242), (131, 3260740), (140, 3051121), (262, 1630370), (524, 815185), (655, 652148), (917, 465820), (1310, 326074), (1834, 232910), (2620, 163037), (3668, 116455), (4585, 93164), (9170, 46582), (18340, 23291)]