85858360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1283}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 221875200

約数和(自身を除く): 136016840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1283, 1673, 1912, 2390, 2566, 3346, 4780, 5132, 6415, 6692, 8365, 8981, 9560, 10264, 12830, 13384, 16730, 17962, 25660, 33460, 35924, 44905, 51320, 66920, 71848, 89810, 179620, 306637, 359240, 613274, 1226548, 1533185, 2146459, 2453096, 3066370, 4292918, 6132740, 8585836, 10732295, 12265480, 17171672, 21464590, 42929180, 85858360]

約数ペア:

[(1, 85858360), (2, 42929180), (4, 21464590), (5, 17171672), (7, 12265480), (8, 10732295), (10, 8585836), (14, 6132740), (20, 4292918), (28, 3066370), (35, 2453096), (40, 2146459), (56, 1533185), (70, 1226548), (140, 613274), (239, 359240), (280, 306637), (478, 179620), (956, 89810), (1195, 71848), (1283, 66920), (1673, 51320), (1912, 44905), (2390, 35924), (2566, 33460), (3346, 25660), (4780, 17962), (5132, 16730), (6415, 13384), (6692, 12830), (8365, 10264), (8981, 9560)]