28954900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22273}}^1$

素因数の和:22300

約数の個数: 36

約数和(自身を含む): 67668412

約数和(自身を除く): 38713512

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22273, 44546, 89092, 111365, 222730, 289549, 445460, 556825, 579098, 1113650, 1158196, 1447745, 2227300, 2895490, 5790980, 7238725, 14477450, 28954900]

約数ペア:

[(1, 28954900), (2, 14477450), (4, 7238725), (5, 5790980), (10, 2895490), (13, 2227300), (20, 1447745), (25, 1158196), (26, 1113650), (50, 579098), (52, 556825), (65, 445460), (100, 289549), (130, 222730), (260, 111365), (325, 89092), (650, 44546), (1300, 22273)]