210004990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{6703}}^1$

素因数の和:6964

約数の個数: 32

約数和(自身を含む): 408836736

約数和(自身を除く): 198831746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 1205, 2410, 3133, 6266, 6703, 13406, 15665, 31330, 33515, 67030, 87139, 174278, 435695, 871390, 1615423, 3230846, 8077115, 16154230, 21000499, 42000998, 105002495, 210004990]

約数ペア:

[(1, 210004990), (2, 105002495), (5, 42000998), (10, 21000499), (13, 16154230), (26, 8077115), (65, 3230846), (130, 1615423), (241, 871390), (482, 435695), (1205, 174278), (2410, 87139), (3133, 67030), (6266, 33515), (6703, 31330), (13406, 15665)]