71882900

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{2797}}^1$

素因数の和:3068

約数の個数: 36

約数和(自身を含む): 156648828

約数和(自身を除く): 84765928

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1285, 2570, 2797, 5140, 5594, 6425, 11188, 12850, 13985, 25700, 27970, 55940, 69925, 139850, 279700, 718829, 1437658, 2875316, 3594145, 7188290, 14376580, 17970725, 35941450, 71882900]

約数ペア:

[(1, 71882900), (2, 35941450), (4, 17970725), (5, 14376580), (10, 7188290), (20, 3594145), (25, 2875316), (50, 1437658), (100, 718829), (257, 279700), (514, 139850), (1028, 69925), (1285, 55940), (2570, 27970), (2797, 25700), (5140, 13985), (5594, 12850), (6425, 11188)]