201578740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2687}}^1$

素因数の和:2749

約数の個数: 72

約数和(自身を含む): 480485376

約数和(自身を除く): 278906636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2420, 2687, 3410, 3751, 5374, 6820, 7502, 10748, 13435, 15004, 18755, 26870, 29557, 37510, 53740, 59114, 75020, 83297, 118228, 147785, 166594, 295570, 325127, 333188, 416485, 591140, 650254, 832970, 916267, 1300508, 1625635, 1665940, 1832534, 3251270, 3665068, 4581335, 6502540, 9162670, 10078937, 18325340, 20157874, 40315748, 50394685, 100789370, 201578740]

約数ペア:

[(1, 201578740), (2, 100789370), (4, 50394685), (5, 40315748), (10, 20157874), (11, 18325340), (20, 10078937), (22, 9162670), (31, 6502540), (44, 4581335), (55, 3665068), (62, 3251270), (110, 1832534), (121, 1665940), (124, 1625635), (155, 1300508), (220, 916267), (242, 832970), (310, 650254), (341, 591140), (484, 416485), (605, 333188), (620, 325127), (682, 295570), (1210, 166594), (1364, 147785), (1705, 118228), (2420, 83297), (2687, 75020), (3410, 59114), (3751, 53740), (5374, 37510), (6820, 29557), (7502, 26870), (10748, 18755), (13435, 15004)]