345103640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8867}}^1$

素因数の和:9024

約数の個数: 64

約数和(自身を含む): 893894400

約数和(自身を除く): 548790760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5560, 7784, 8867, 9730, 17734, 19460, 35468, 38920, 44335, 62069, 70936, 88670, 124138, 177340, 248276, 310345, 354680, 496552, 620690, 1232513, 1241380, 2465026, 2482760, 4930052, 6162565, 8627591, 9860104, 12325130, 17255182, 24650260, 34510364, 43137955, 49300520, 69020728, 86275910, 172551820, 345103640]

約数ペア:

[(1, 345103640), (2, 172551820), (4, 86275910), (5, 69020728), (7, 49300520), (8, 43137955), (10, 34510364), (14, 24650260), (20, 17255182), (28, 12325130), (35, 9860104), (40, 8627591), (56, 6162565), (70, 4930052), (139, 2482760), (140, 2465026), (278, 1241380), (280, 1232513), (556, 620690), (695, 496552), (973, 354680), (1112, 310345), (1390, 248276), (1946, 177340), (2780, 124138), (3892, 88670), (4865, 70936), (5560, 62069), (7784, 44335), (8867, 38920), (9730, 35468), (17734, 19460)]