2179060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 5415480

約数和(自身を除く): 3236420

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 65, 68, 85, 116, 130, 145, 170, 221, 260, 289, 290, 340, 377, 442, 493, 578, 580, 754, 884, 986, 1105, 1156, 1445, 1508, 1885, 1972, 2210, 2465, 2890, 3757, 3770, 4420, 4930, 5780, 6409, 7514, 7540, 8381, 9860, 12818, 15028, 16762, 18785, 25636, 32045, 33524, 37570, 41905, 64090, 75140, 83810, 108953, 128180, 167620, 217906, 435812, 544765, 1089530, 2179060]

約数ペア:

[(1, 2179060), (2, 1089530), (4, 544765), (5, 435812), (10, 217906), (13, 167620), (17, 128180), (20, 108953), (26, 83810), (29, 75140), (34, 64090), (52, 41905), (58, 37570), (65, 33524), (68, 32045), (85, 25636), (116, 18785), (130, 16762), (145, 15028), (170, 12818), (221, 9860), (260, 8381), (289, 7540), (290, 7514), (340, 6409), (377, 5780), (442, 4930), (493, 4420), (578, 3770), (580, 3757), (754, 2890), (884, 2465), (986, 2210), (1105, 1972), (1156, 1885), (1445, 1508)]