890998570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{2221}}^1$

素因数の和:2767

約数の個数: 64

約数和(自身を含む): 2004279552

約数和(自身を除く): 1113280982

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 521, 770, 1042, 2221, 2605, 3647, 4442, 5210, 5731, 7294, 11105, 11462, 15547, 18235, 22210, 24431, 28655, 31094, 36470, 40117, 48862, 57310, 77735, 80234, 122155, 155470, 171017, 200585, 244310, 342034, 401170, 855085, 1157141, 1710170, 2314282, 5785705, 8099987, 11571410, 12728551, 16199974, 25457102, 40499935, 63642755, 80999870, 89099857, 127285510, 178199714, 445499285, 890998570]

約数ペア:

[(1, 890998570), (2, 445499285), (5, 178199714), (7, 127285510), (10, 89099857), (11, 80999870), (14, 63642755), (22, 40499935), (35, 25457102), (55, 16199974), (70, 12728551), (77, 11571410), (110, 8099987), (154, 5785705), (385, 2314282), (521, 1710170), (770, 1157141), (1042, 855085), (2221, 401170), (2605, 342034), (3647, 244310), (4442, 200585), (5210, 171017), (5731, 155470), (7294, 122155), (11105, 80234), (11462, 77735), (15547, 57310), (18235, 48862), (22210, 40117), (24431, 36470), (28655, 31094)]