490070104240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197608913}}^1$

素因数の和:197608957

約数の個数: 40

約数和(自身を含む): 1176168256128

約数和(自身を除く): 686098151888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 197608913, 395217826, 790435652, 988044565, 1580871304, 1976089130, 3161742608, 3952178260, 6125876303, 7904356520, 12251752606, 15808713040, 24503505212, 30629381515, 49007010424, 61258763030, 98014020848, 122517526060, 245035052120, 490070104240]

約数ペア:

[(1, 490070104240), (2, 245035052120), (4, 122517526060), (5, 98014020848), (8, 61258763030), (10, 49007010424), (16, 30629381515), (20, 24503505212), (31, 15808713040), (40, 12251752606), (62, 7904356520), (80, 6125876303), (124, 3952178260), (155, 3161742608), (248, 1976089130), (310, 1580871304), (496, 988044565), (620, 790435652), (1240, 395217826), (2480, 197608913)]