91217620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 217324800

約数和(自身を除く): 126107180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 43, 52, 65, 82, 86, 130, 164, 172, 199, 205, 215, 260, 398, 410, 430, 533, 559, 796, 820, 860, 995, 1066, 1118, 1763, 1990, 2132, 2236, 2587, 2665, 2795, 3526, 3980, 5174, 5330, 5590, 7052, 8159, 8557, 8815, 10348, 10660, 11180, 12935, 16318, 17114, 17630, 22919, 25870, 32636, 34228, 35260, 40795, 42785, 45838, 51740, 81590, 85570, 91676, 106067, 111241, 114595, 163180, 171140, 212134, 222482, 229190, 350837, 424268, 444964, 458380, 530335, 556205, 701674, 1060670, 1112410, 1403348, 1754185, 2121340, 2224820, 3508370, 4560881, 7016740, 9121762, 18243524, 22804405, 45608810, 91217620]

約数ペア:

[(1, 91217620), (2, 45608810), (4, 22804405), (5, 18243524), (10, 9121762), (13, 7016740), (20, 4560881), (26, 3508370), (41, 2224820), (43, 2121340), (52, 1754185), (65, 1403348), (82, 1112410), (86, 1060670), (130, 701674), (164, 556205), (172, 530335), (199, 458380), (205, 444964), (215, 424268), (260, 350837), (398, 229190), (410, 222482), (430, 212134), (533, 171140), (559, 163180), (796, 114595), (820, 111241), (860, 106067), (995, 91676), (1066, 85570), (1118, 81590), (1763, 51740), (1990, 45838), (2132, 42785), (2236, 40795), (2587, 35260), (2665, 34228), (2795, 32636), (3526, 25870), (3980, 22919), (5174, 17630), (5330, 17114), (5590, 16318), (7052, 12935), (8159, 11180), (8557, 10660), (8815, 10348)]