256855870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1\times {\mathrm{1531}}^1$

素因数の和:2440

約数の個数: 32

約数和(自身を含む): 487543680

約数和(自身を除く): 230687810

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 883, 1531, 1766, 3062, 4415, 7655, 8830, 15310, 16777, 29089, 33554, 58178, 83885, 145445, 167770, 290890, 1351873, 2703746, 6759365, 13518730, 25685587, 51371174, 128427935, 256855870]

約数ペア:

[(1, 256855870), (2, 128427935), (5, 51371174), (10, 25685587), (19, 13518730), (38, 6759365), (95, 2703746), (190, 1351873), (883, 290890), (1531, 167770), (1766, 145445), (3062, 83885), (4415, 58178), (7655, 33554), (8830, 29089), (15310, 16777)]