30027820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 64820448

約数和(自身を除く): 34792628

約数列:

[1, 2, 4, 5, 10, 20, 73, 131, 146, 157, 262, 292, 314, 365, 524, 628, 655, 730, 785, 1310, 1460, 1570, 2620, 3140, 9563, 11461, 19126, 20567, 22922, 38252, 41134, 45844, 47815, 57305, 82268, 95630, 102835, 114610, 191260, 205670, 229220, 411340, 1501391, 3002782, 6005564, 7506955, 15013910, 30027820]

約数ペア:

[(1, 30027820), (2, 15013910), (4, 7506955), (5, 6005564), (10, 3002782), (20, 1501391), (73, 411340), (131, 229220), (146, 205670), (157, 191260), (262, 114610), (292, 102835), (314, 95630), (365, 82268), (524, 57305), (628, 47815), (655, 45844), (730, 41134), (785, 38252), (1310, 22922), (1460, 20567), (1570, 19126), (2620, 11461), (3140, 9563)]