51249220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 126717696

約数和(自身を除く): 75468476

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 71, 85, 110, 142, 170, 187, 193, 220, 284, 340, 355, 374, 386, 710, 748, 772, 781, 935, 965, 1207, 1420, 1562, 1870, 1930, 2123, 2414, 3124, 3281, 3740, 3860, 3905, 4246, 4828, 6035, 6562, 7810, 8492, 10615, 12070, 13124, 13277, 13703, 15620, 16405, 21230, 24140, 26554, 27406, 32810, 36091, 42460, 53108, 54812, 65620, 66385, 68515, 72182, 132770, 137030, 144364, 150733, 180455, 232951, 265540, 274060, 301466, 360910, 465902, 602932, 721820, 753665, 931804, 1164755, 1507330, 2329510, 2562461, 3014660, 4659020, 5124922, 10249844, 12812305, 25624610, 51249220]

約数ペア:

[(1, 51249220), (2, 25624610), (4, 12812305), (5, 10249844), (10, 5124922), (11, 4659020), (17, 3014660), (20, 2562461), (22, 2329510), (34, 1507330), (44, 1164755), (55, 931804), (68, 753665), (71, 721820), (85, 602932), (110, 465902), (142, 360910), (170, 301466), (187, 274060), (193, 265540), (220, 232951), (284, 180455), (340, 150733), (355, 144364), (374, 137030), (386, 132770), (710, 72182), (748, 68515), (772, 66385), (781, 65620), (935, 54812), (965, 53108), (1207, 42460), (1420, 36091), (1562, 32810), (1870, 27406), (1930, 26554), (2123, 24140), (2414, 21230), (3124, 16405), (3281, 15620), (3740, 13703), (3860, 13277), (3905, 13124), (4246, 12070), (4828, 10615), (6035, 8492), (6562, 7810)]