722378540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 1669054464

約数和(自身を除く): 946675924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 131, 167, 254, 260, 262, 334, 508, 524, 635, 655, 668, 835, 1270, 1310, 1651, 1670, 1703, 2171, 2540, 2620, 3302, 3340, 3406, 4342, 6604, 6812, 8255, 8515, 8684, 10855, 16510, 16637, 17030, 21209, 21710, 21877, 33020, 33274, 34060, 42418, 43420, 43754, 66548, 83185, 84836, 87508, 106045, 109385, 166370, 212090, 216281, 218770, 275717, 284401, 332740, 424180, 432562, 437540, 551434, 568802, 865124, 1081405, 1102868, 1137604, 1378585, 1422005, 2162810, 2757170, 2778379, 2844010, 4325620, 5514340, 5556758, 5688020, 11113516, 13891895, 27783790, 36118927, 55567580, 72237854, 144475708, 180594635, 361189270, 722378540]

約数ペア:

[(1, 722378540), (2, 361189270), (4, 180594635), (5, 144475708), (10, 72237854), (13, 55567580), (20, 36118927), (26, 27783790), (52, 13891895), (65, 11113516), (127, 5688020), (130, 5556758), (131, 5514340), (167, 4325620), (254, 2844010), (260, 2778379), (262, 2757170), (334, 2162810), (508, 1422005), (524, 1378585), (635, 1137604), (655, 1102868), (668, 1081405), (835, 865124), (1270, 568802), (1310, 551434), (1651, 437540), (1670, 432562), (1703, 424180), (2171, 332740), (2540, 284401), (2620, 275717), (3302, 218770), (3340, 216281), (3406, 212090), (4342, 166370), (6604, 109385), (6812, 106045), (8255, 87508), (8515, 84836), (8684, 83185), (10855, 66548), (16510, 43754), (16637, 43420), (17030, 42418), (21209, 34060), (21710, 33274), (21877, 33020)]