210235870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{70313}}^1$

素因数の和:70356

約数の個数: 32

約数和(自身を含む): 425259072

約数和(自身を除く): 215023202

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 70313, 140626, 351565, 703130, 914069, 1617199, 1828138, 3234398, 4570345, 8085995, 9140690, 16171990, 21023587, 42047174, 105117935, 210235870]

約数ペア:

[(1, 210235870), (2, 105117935), (5, 42047174), (10, 21023587), (13, 16171990), (23, 9140690), (26, 8085995), (46, 4570345), (65, 3234398), (115, 1828138), (130, 1617199), (230, 914069), (299, 703130), (598, 351565), (1495, 140626), (2990, 70313)]