77660890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 144898560

約数和(自身を除く): 67237670

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 379, 661, 758, 1322, 1895, 3305, 3790, 6610, 11749, 20491, 23498, 40982, 58745, 102455, 117490, 204910, 250519, 501038, 1252595, 2505190, 7766089, 15532178, 38830445, 77660890]

約数ペア:

[(1, 77660890), (2, 38830445), (5, 15532178), (10, 7766089), (31, 2505190), (62, 1252595), (155, 501038), (310, 250519), (379, 204910), (661, 117490), (758, 102455), (1322, 58745), (1895, 40982), (3305, 23498), (3790, 20491), (6610, 11749)]