788572420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{2351}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 1713309696

約数和(自身を除く): 924737276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 541, 620, 1082, 2164, 2351, 2705, 4702, 5410, 9404, 10820, 11755, 16771, 23510, 33542, 47020, 67084, 72881, 83855, 145762, 167710, 291524, 335420, 364405, 728810, 1271891, 1457620, 2543782, 5087564, 6359455, 12718910, 25437820, 39428621, 78857242, 157714484, 197143105, 394286210, 788572420]

約数ペア:

[(1, 788572420), (2, 394286210), (4, 197143105), (5, 157714484), (10, 78857242), (20, 39428621), (31, 25437820), (62, 12718910), (124, 6359455), (155, 5087564), (310, 2543782), (541, 1457620), (620, 1271891), (1082, 728810), (2164, 364405), (2351, 335420), (2705, 291524), (4702, 167710), (5410, 145762), (9404, 83855), (10820, 72881), (11755, 67084), (16771, 47020), (23510, 33542)]