212014725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 389394720

約数和(自身を除く): 177379995

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 169, 195, 215, 325, 389, 507, 559, 645, 845, 975, 1075, 1167, 1677, 1945, 2535, 2795, 3225, 4225, 5057, 5835, 7267, 8385, 9725, 12675, 13975, 15171, 16727, 21801, 25285, 29175, 36335, 41925, 50181, 65741, 75855, 83635, 109005, 126425, 181675, 197223, 217451, 250905, 328705, 379275, 418175, 545025, 652353, 986115, 1087255, 1254525, 1643525, 2826863, 3261765, 4930575, 5436275, 8480589, 14134315, 16308825, 42402945, 70671575, 212014725]

約数ペア:

[(1, 212014725), (3, 70671575), (5, 42402945), (13, 16308825), (15, 14134315), (25, 8480589), (39, 5436275), (43, 4930575), (65, 3261765), (75, 2826863), (129, 1643525), (169, 1254525), (195, 1087255), (215, 986115), (325, 652353), (389, 545025), (507, 418175), (559, 379275), (645, 328705), (845, 250905), (975, 217451), (1075, 197223), (1167, 181675), (1677, 126425), (1945, 109005), (2535, 83635), (2795, 75855), (3225, 65741), (4225, 50181), (5057, 41925), (5835, 36335), (7267, 29175), (8385, 25285), (9725, 21801), (12675, 16727), (13975, 15171)]