1422980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 36

約数和(自身を含む): 3243492

約数和(自身を除く): 1820512

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 421, 676, 842, 845, 1684, 1690, 2105, 3380, 4210, 5473, 8420, 10946, 21892, 27365, 54730, 71149, 109460, 142298, 284596, 355745, 711490, 1422980]

約数ペア:

[(1, 1422980), (2, 711490), (4, 355745), (5, 284596), (10, 142298), (13, 109460), (20, 71149), (26, 54730), (52, 27365), (65, 21892), (130, 10946), (169, 8420), (260, 5473), (338, 4210), (421, 3380), (676, 2105), (842, 1690), (845, 1684)]