313699385

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 424396800

約数和(自身を除く): 110697415

約数列:

[1, 5, 17, 31, 47, 85, 149, 155, 235, 289, 527, 745, 799, 1445, 1457, 2533, 2635, 3995, 4619, 7003, 7285, 8959, 12665, 13583, 23095, 24769, 35015, 43061, 44795, 67915, 78523, 119051, 123845, 215305, 217093, 392615, 421073, 595255, 1085465, 1334891, 2023867, 2105365, 3690581, 6674455, 10119335, 18452905, 62739877, 313699385]

約数ペア:

[(1, 313699385), (5, 62739877), (17, 18452905), (31, 10119335), (47, 6674455), (85, 3690581), (149, 2105365), (155, 2023867), (235, 1334891), (289, 1085465), (527, 595255), (745, 421073), (799, 392615), (1445, 217093), (1457, 215305), (2533, 123845), (2635, 119051), (3995, 78523), (4619, 67915), (7003, 44795), (7285, 43061), (8959, 35015), (12665, 24769), (13583, 23095)]