121235140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1951}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 275466240

約数和(自身を除く): 154231100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 1951, 2390, 3107, 3902, 4780, 6214, 7804, 9755, 12428, 15535, 19510, 25363, 31070, 39020, 50726, 62140, 101452, 126815, 253630, 466289, 507260, 932578, 1865156, 2331445, 4662890, 6061757, 9325780, 12123514, 24247028, 30308785, 60617570, 121235140]

約数ペア:

[(1, 121235140), (2, 60617570), (4, 30308785), (5, 24247028), (10, 12123514), (13, 9325780), (20, 6061757), (26, 4662890), (52, 2331445), (65, 1865156), (130, 932578), (239, 507260), (260, 466289), (478, 253630), (956, 126815), (1195, 101452), (1951, 62140), (2390, 50726), (3107, 39020), (3902, 31070), (4780, 25363), (6214, 19510), (7804, 15535), (9755, 12428)]