84975880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 213496920

約数和(自身を除く): 128521040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 121, 181, 194, 220, 242, 362, 388, 440, 484, 485, 605, 724, 776, 905, 968, 970, 1067, 1210, 1448, 1810, 1940, 1991, 2134, 2420, 3620, 3880, 3982, 4268, 4840, 5335, 7240, 7964, 8536, 9955, 10670, 11737, 15928, 17557, 19910, 21340, 21901, 23474, 35114, 39820, 42680, 43802, 46948, 58685, 70228, 79640, 87604, 87785, 93896, 109505, 117370, 140456, 175208, 175570, 193127, 219010, 234740, 351140, 386254, 438020, 469480, 702280, 772508, 876040, 965635, 1545016, 1931270, 2124397, 3862540, 4248794, 7725080, 8497588, 10621985, 16995176, 21243970, 42487940, 84975880]

約数ペア:

[(1, 84975880), (2, 42487940), (4, 21243970), (5, 16995176), (8, 10621985), (10, 8497588), (11, 7725080), (20, 4248794), (22, 3862540), (40, 2124397), (44, 1931270), (55, 1545016), (88, 965635), (97, 876040), (110, 772508), (121, 702280), (181, 469480), (194, 438020), (220, 386254), (242, 351140), (362, 234740), (388, 219010), (440, 193127), (484, 175570), (485, 175208), (605, 140456), (724, 117370), (776, 109505), (905, 93896), (968, 87785), (970, 87604), (1067, 79640), (1210, 70228), (1448, 58685), (1810, 46948), (1940, 43802), (1991, 42680), (2134, 39820), (2420, 35114), (3620, 23474), (3880, 21901), (3982, 21340), (4268, 19910), (4840, 17557), (5335, 15928), (7240, 11737), (7964, 10670), (8536, 9955)]