28365350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 60756528

約数和(自身を除く): 32391178

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 151, 170, 221, 289, 302, 325, 425, 442, 578, 650, 755, 850, 1105, 1445, 1510, 1963, 2210, 2567, 2890, 3757, 3775, 3926, 5134, 5525, 7225, 7514, 7550, 9815, 11050, 12835, 14450, 18785, 19630, 25670, 33371, 37570, 43639, 49075, 64175, 66742, 87278, 93925, 98150, 128350, 166855, 187850, 218195, 333710, 436390, 567307, 834275, 1090975, 1134614, 1668550, 2181950, 2836535, 5673070, 14182675, 28365350]

約数ペア:

[(1, 28365350), (2, 14182675), (5, 5673070), (10, 2836535), (13, 2181950), (17, 1668550), (25, 1134614), (26, 1090975), (34, 834275), (50, 567307), (65, 436390), (85, 333710), (130, 218195), (151, 187850), (170, 166855), (221, 128350), (289, 98150), (302, 93925), (325, 87278), (425, 66742), (442, 64175), (578, 49075), (650, 43639), (755, 37570), (850, 33371), (1105, 25670), (1445, 19630), (1510, 18785), (1963, 14450), (2210, 12835), (2567, 11050), (2890, 9815), (3757, 7550), (3775, 7514), (3926, 7225), (5134, 5525)]