919704280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67427}}^1$

素因数の和:67480

約数の個数: 64

約数和(自身を含む): 2330311680

約数和(自身を除く): 1410607400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 67427, 134854, 269708, 337135, 539416, 674270, 741697, 1348540, 1483394, 2090237, 2697080, 2966788, 3708485, 4180474, 5933576, 7416970, 8360948, 10451185, 14833940, 16721896, 20902370, 22992607, 29667880, 41804740, 45985214, 83609480, 91970428, 114963035, 183940856, 229926070, 459852140, 919704280]

約数ペア:

[(1, 919704280), (2, 459852140), (4, 229926070), (5, 183940856), (8, 114963035), (10, 91970428), (11, 83609480), (20, 45985214), (22, 41804740), (31, 29667880), (40, 22992607), (44, 20902370), (55, 16721896), (62, 14833940), (88, 10451185), (110, 8360948), (124, 7416970), (155, 5933576), (220, 4180474), (248, 3708485), (310, 2966788), (341, 2697080), (440, 2090237), (620, 1483394), (682, 1348540), (1240, 741697), (1364, 674270), (1705, 539416), (2728, 337135), (3410, 269708), (6820, 134854), (13640, 67427)]