70640540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 153002304

約数和(自身を除く): 82361764

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 277, 311, 410, 554, 622, 820, 1108, 1244, 1385, 1555, 2770, 3110, 5540, 6220, 11357, 12751, 22714, 25502, 45428, 51004, 56785, 63755, 86147, 113570, 127510, 172294, 227140, 255020, 344588, 430735, 861470, 1722940, 3532027, 7064054, 14128108, 17660135, 35320270, 70640540]

約数ペア:

[(1, 70640540), (2, 35320270), (4, 17660135), (5, 14128108), (10, 7064054), (20, 3532027), (41, 1722940), (82, 861470), (164, 430735), (205, 344588), (277, 255020), (311, 227140), (410, 172294), (554, 127510), (622, 113570), (820, 86147), (1108, 63755), (1244, 56785), (1385, 51004), (1555, 45428), (2770, 25502), (3110, 22714), (5540, 12751), (6220, 11357)]