143219960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275423}}^1$

素因数の和:275447

約数の個数: 32

約数和(自身を含む): 347034240

約数和(自身を除く): 203814280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 275423, 550846, 1101692, 1377115, 2203384, 2754230, 3580499, 5508460, 7160998, 11016920, 14321996, 17902495, 28643992, 35804990, 71609980, 143219960]

約数ペア:

[(1, 143219960), (2, 71609980), (4, 35804990), (5, 28643992), (8, 17902495), (10, 14321996), (13, 11016920), (20, 7160998), (26, 5508460), (40, 3580499), (52, 2754230), (65, 2203384), (104, 1377115), (130, 1101692), (260, 550846), (520, 275423)]