31450900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1861}}^1$

素因数の和:1901

約数の個数: 54

約数和(自身を含む): 73941882

約数和(自身を除く): 42490982

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1690, 1861, 3380, 3722, 4225, 7444, 8450, 9305, 16900, 18610, 24193, 37220, 46525, 48386, 93050, 96772, 120965, 186100, 241930, 314509, 483860, 604825, 629018, 1209650, 1258036, 1572545, 2419300, 3145090, 6290180, 7862725, 15725450, 31450900]

約数ペア:

[(1, 31450900), (2, 15725450), (4, 7862725), (5, 6290180), (10, 3145090), (13, 2419300), (20, 1572545), (25, 1258036), (26, 1209650), (50, 629018), (52, 604825), (65, 483860), (100, 314509), (130, 241930), (169, 186100), (260, 120965), (325, 96772), (338, 93050), (650, 48386), (676, 46525), (845, 37220), (1300, 24193), (1690, 18610), (1861, 16900), (3380, 9305), (3722, 8450), (4225, 7444)]