8708556680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1\times {\mathrm{523}}^1$

素因数の和:1119

約数の個数: 128

約数和(自身を含む): 21269537280

約数和(自身を除く): 12560980600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 521, 523, 680, 799, 940, 1042, 1046, 1598, 1880, 2084, 2092, 2605, 2615, 3196, 3995, 4168, 4184, 5210, 5230, 6392, 7990, 8857, 8891, 10420, 10460, 15980, 17714, 17782, 20840, 20920, 24487, 24581, 31960, 35428, 35564, 44285, 44455, 48974, 49162, 70856, 71128, 88570, 88910, 97948, 98324, 122435, 122905, 177140, 177820, 195896, 196648, 244870, 245810, 272483, 354280, 355640, 416279, 417877, 489740, 491620, 544966, 832558, 835754, 979480, 983240, 1089932, 1362415, 1665116, 1671508, 2081395, 2089385, 2179864, 2724830, 3330232, 3343016, 4162790, 4178770, 4632211, 5449660, 8325580, 8357540, 9264422, 10899320, 12806701, 16651160, 16715080, 18528844, 23161055, 25613402, 37057688, 46322110, 51226804, 64033505, 92644220, 102453608, 128067010, 185288440, 217713917, 256134020, 435427834, 512268040, 870855668, 1088569585, 1741711336, 2177139170, 4354278340, 8708556680]

約数ペア:

[(1, 8708556680), (2, 4354278340), (4, 2177139170), (5, 1741711336), (8, 1088569585), (10, 870855668), (17, 512268040), (20, 435427834), (34, 256134020), (40, 217713917), (47, 185288440), (68, 128067010), (85, 102453608), (94, 92644220), (136, 64033505), (170, 51226804), (188, 46322110), (235, 37057688), (340, 25613402), (376, 23161055), (470, 18528844), (521, 16715080), (523, 16651160), (680, 12806701), (799, 10899320), (940, 9264422), (1042, 8357540), (1046, 8325580), (1598, 5449660), (1880, 4632211), (2084, 4178770), (2092, 4162790), (2605, 3343016), (2615, 3330232), (3196, 2724830), (3995, 2179864), (4168, 2089385), (4184, 2081395), (5210, 1671508), (5230, 1665116), (6392, 1362415), (7990, 1089932), (8857, 983240), (8891, 979480), (10420, 835754), (10460, 832558), (15980, 544966), (17714, 491620), (17782, 489740), (20840, 417877), (20920, 416279), (24487, 355640), (24581, 354280), (31960, 272483), (35428, 245810), (35564, 244870), (44285, 196648), (44455, 195896), (48974, 177820), (49162, 177140), (70856, 122905), (71128, 122435), (88570, 98324), (88910, 97948)]