1557710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:66

約数の個数: 72

約数和(自身を含む): 3779784

約数和(自身を除く): 2222074

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 49, 55, 70, 77, 85, 98, 110, 119, 154, 170, 187, 238, 245, 289, 374, 385, 490, 539, 578, 595, 770, 833, 935, 1078, 1190, 1309, 1445, 1666, 1870, 2023, 2618, 2695, 2890, 3179, 4046, 4165, 5390, 6358, 6545, 8330, 9163, 10115, 13090, 14161, 15895, 18326, 20230, 22253, 28322, 31790, 44506, 45815, 70805, 91630, 111265, 141610, 155771, 222530, 311542, 778855, 1557710]

約数ペア:

[(1, 1557710), (2, 778855), (5, 311542), (7, 222530), (10, 155771), (11, 141610), (14, 111265), (17, 91630), (22, 70805), (34, 45815), (35, 44506), (49, 31790), (55, 28322), (70, 22253), (77, 20230), (85, 18326), (98, 15895), (110, 14161), (119, 13090), (154, 10115), (170, 9163), (187, 8330), (238, 6545), (245, 6358), (289, 5390), (374, 4165), (385, 4046), (490, 3179), (539, 2890), (578, 2695), (595, 2618), (770, 2023), (833, 1870), (935, 1666), (1078, 1445), (1190, 1309)]