621249160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{16937}}^1$

素因数の和:17086

約数の個数: 64

約数和(自身を含む): 1609787520

約数和(自身を除く): 988538360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 9170, 16937, 18340, 33874, 36680, 67748, 84685, 118559, 135496, 169370, 237118, 338740, 474236, 592795, 677480, 948472, 1185590, 2218747, 2371180, 4437494, 4742360, 8874988, 11093735, 15531229, 17749976, 22187470, 31062458, 44374940, 62124916, 77656145, 88749880, 124249832, 155312290, 310624580, 621249160]

約数ペア:

[(1, 621249160), (2, 310624580), (4, 155312290), (5, 124249832), (7, 88749880), (8, 77656145), (10, 62124916), (14, 44374940), (20, 31062458), (28, 22187470), (35, 17749976), (40, 15531229), (56, 11093735), (70, 8874988), (131, 4742360), (140, 4437494), (262, 2371180), (280, 2218747), (524, 1185590), (655, 948472), (917, 677480), (1048, 592795), (1310, 474236), (1834, 338740), (2620, 237118), (3668, 169370), (4585, 135496), (5240, 118559), (7336, 84685), (9170, 67748), (16937, 36680), (18340, 33874)]