318261460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 738692640

約数和(自身を除く): 420431180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 347, 379, 484, 605, 694, 758, 1210, 1388, 1516, 1735, 1895, 2420, 3470, 3790, 3817, 4169, 6940, 7580, 7634, 8338, 15268, 16676, 19085, 20845, 38170, 41690, 41987, 45859, 76340, 83380, 83974, 91718, 131513, 167948, 183436, 209935, 229295, 263026, 419870, 458590, 526052, 657565, 839740, 917180, 1315130, 1446643, 2630260, 2893286, 5786572, 7233215, 14466430, 15913073, 28932860, 31826146, 63652292, 79565365, 159130730, 318261460]

約数ペア:

[(1, 318261460), (2, 159130730), (4, 79565365), (5, 63652292), (10, 31826146), (11, 28932860), (20, 15913073), (22, 14466430), (44, 7233215), (55, 5786572), (110, 2893286), (121, 2630260), (220, 1446643), (242, 1315130), (347, 917180), (379, 839740), (484, 657565), (605, 526052), (694, 458590), (758, 419870), (1210, 263026), (1388, 229295), (1516, 209935), (1735, 183436), (1895, 167948), (2420, 131513), (3470, 91718), (3790, 83974), (3817, 83380), (4169, 76340), (6940, 45859), (7580, 41987), (7634, 41690), (8338, 38170), (15268, 20845), (16676, 19085)]