28705710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2409

約数の個数: 64

約数和(自身を含む): 77220864

約数和(自身を除く): 48515154

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 2035, 2351, 2442, 4070, 4702, 6105, 7053, 11755, 12210, 14106, 23510, 25861, 35265, 51722, 70530, 77583, 86987, 129305, 155166, 173974, 258610, 260961, 387915, 434935, 521922, 775830, 869870, 956857, 1304805, 1913714, 2609610, 2870571, 4784285, 5741142, 9568570, 14352855, 28705710]

約数ペア:

[(1, 28705710), (2, 14352855), (3, 9568570), (5, 5741142), (6, 4784285), (10, 2870571), (11, 2609610), (15, 1913714), (22, 1304805), (30, 956857), (33, 869870), (37, 775830), (55, 521922), (66, 434935), (74, 387915), (110, 260961), (111, 258610), (165, 173974), (185, 155166), (222, 129305), (330, 86987), (370, 77583), (407, 70530), (555, 51722), (814, 35265), (1110, 25861), (1221, 23510), (2035, 14106), (2351, 12210), (2442, 11755), (4070, 7053), (4702, 6105)]