31910120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 83311200

約数和(自身を除く): 51401080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 152, 190, 209, 220, 242, 347, 380, 418, 440, 484, 605, 694, 760, 836, 968, 1045, 1210, 1388, 1672, 1735, 2090, 2299, 2420, 2776, 3470, 3817, 4180, 4598, 4840, 6593, 6940, 7634, 8360, 9196, 11495, 13186, 13880, 15268, 18392, 19085, 22990, 26372, 30536, 32965, 38170, 41987, 45980, 52744, 65930, 72523, 76340, 83974, 91960, 131860, 145046, 152680, 167948, 209935, 263720, 290092, 335896, 362615, 419870, 580184, 725230, 797753, 839740, 1450460, 1595506, 1679480, 2900920, 3191012, 3988765, 6382024, 7977530, 15955060, 31910120]

約数ペア:

[(1, 31910120), (2, 15955060), (4, 7977530), (5, 6382024), (8, 3988765), (10, 3191012), (11, 2900920), (19, 1679480), (20, 1595506), (22, 1450460), (38, 839740), (40, 797753), (44, 725230), (55, 580184), (76, 419870), (88, 362615), (95, 335896), (110, 290092), (121, 263720), (152, 209935), (190, 167948), (209, 152680), (220, 145046), (242, 131860), (347, 91960), (380, 83974), (418, 76340), (440, 72523), (484, 65930), (605, 52744), (694, 45980), (760, 41987), (836, 38170), (968, 32965), (1045, 30536), (1210, 26372), (1388, 22990), (1672, 19085), (1735, 18392), (2090, 15268), (2299, 13880), (2420, 13186), (2776, 11495), (3470, 9196), (3817, 8360), (4180, 7634), (4598, 6940), (4840, 6593)]