1385655340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{4969}}^1$

素因数の和:5242

約数の個数: 48

約数和(自身を含む): 2965777920

約数和(自身を除く): 1580122580

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 191, 292, 365, 382, 730, 764, 955, 1460, 1910, 3820, 4969, 9938, 13943, 19876, 24845, 27886, 49690, 55772, 69715, 99380, 139430, 278860, 362737, 725474, 949079, 1450948, 1813685, 1898158, 3627370, 3796316, 4745395, 7254740, 9490790, 18981580, 69282767, 138565534, 277131068, 346413835, 692827670, 1385655340]

約数ペア:

[(1, 1385655340), (2, 692827670), (4, 346413835), (5, 277131068), (10, 138565534), (20, 69282767), (73, 18981580), (146, 9490790), (191, 7254740), (292, 4745395), (365, 3796316), (382, 3627370), (730, 1898158), (764, 1813685), (955, 1450948), (1460, 949079), (1910, 725474), (3820, 362737), (4969, 278860), (9938, 139430), (13943, 99380), (19876, 69715), (24845, 55772), (27886, 49690)]