64977220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42193}}^1$

素因数の和:42220

約数の個数: 48

約数和(自身を含む): 170126208

約数和(自身を除く): 105148988

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, 42193, 84386, 168772, 210965, 295351, 421930, 464123, 590702, 843860, 928246, 1181404, 1476755, 1856492, 2320615, 2953510, 3248861, 4641230, 5907020, 6497722, 9282460, 12995444, 16244305, 32488610, 64977220]

約数ペア:

[(1, 64977220), (2, 32488610), (4, 16244305), (5, 12995444), (7, 9282460), (10, 6497722), (11, 5907020), (14, 4641230), (20, 3248861), (22, 2953510), (28, 2320615), (35, 1856492), (44, 1476755), (55, 1181404), (70, 928246), (77, 843860), (110, 590702), (140, 464123), (154, 421930), (220, 295351), (308, 210965), (385, 168772), (770, 84386), (1540, 42193)]