149738990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{1181}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 279141120

約数和(自身を除く): 129402130

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 409, 818, 1181, 2045, 2362, 4090, 5905, 11810, 12679, 25358, 36611, 63395, 73222, 126790, 183055, 366110, 483029, 966058, 2415145, 4830290, 14973899, 29947798, 74869495, 149738990]

約数ペア:

[(1, 149738990), (2, 74869495), (5, 29947798), (10, 14973899), (31, 4830290), (62, 2415145), (155, 966058), (310, 483029), (409, 366110), (818, 183055), (1181, 126790), (2045, 73222), (2362, 63395), (4090, 36611), (5905, 25358), (11810, 12679)]