1280212010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{5023}}^1$

素因数の和:5379

約数の個数: 64

約数和(自身を含む): 2882248704

約数和(自身を除く): 1602036694

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 331, 385, 662, 770, 1655, 2317, 3310, 3641, 4634, 5023, 7282, 10046, 11585, 18205, 23170, 25115, 25487, 35161, 36410, 50230, 50974, 55253, 70322, 110506, 127435, 175805, 254870, 276265, 351610, 386771, 552530, 773542, 1662613, 1933855, 3325226, 3867710, 8313065, 11638291, 16626130, 18288743, 23276582, 36577486, 58191455, 91443715, 116382910, 128021201, 182887430, 256042402, 640106005, 1280212010]

約数ペア:

[(1, 1280212010), (2, 640106005), (5, 256042402), (7, 182887430), (10, 128021201), (11, 116382910), (14, 91443715), (22, 58191455), (35, 36577486), (55, 23276582), (70, 18288743), (77, 16626130), (110, 11638291), (154, 8313065), (331, 3867710), (385, 3325226), (662, 1933855), (770, 1662613), (1655, 773542), (2317, 552530), (3310, 386771), (3641, 351610), (4634, 276265), (5023, 254870), (7282, 175805), (10046, 127435), (11585, 110506), (18205, 70322), (23170, 55253), (25115, 50974), (25487, 50230), (35161, 36410)]