65389940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42461}}^1$

素因数の和:42488

約数の個数: 48

約数和(自身を含む): 171206784

約数和(自身を除く): 105816844

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 42461, 84922, 169844, 212305, 297227, 424610, 467071, 594454, 849220, 934142, 1188908, 1486135, 1868284, 2335355, 2972270, 3269497, 4670710, 5944540, 6538994, 9341420, 13077988, 16347485, 32694970, 65389940]

約数ペア:

[(1, 65389940), (2, 32694970), (4, 16347485), (5, 13077988), (7, 9341420), (10, 6538994), (11, 5944540), (14, 4670710), (20, 3269497), (22, 2972270), (28, 2335355), (35, 1868284), (44, 1486135), (55, 1188908), (70, 934142), (77, 849220), (110, 594454), (140, 467071), (154, 424610), (220, 297227), (308, 212305), (385, 169844), (770, 84922), (1540, 42461)]