1017616220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1\times {\mathrm{941}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 2160194400

約数和(自身を除く): 1142578180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 389, 556, 695, 778, 941, 1390, 1556, 1882, 1945, 2780, 3764, 3890, 4705, 7780, 9410, 18820, 54071, 108142, 130799, 216284, 261598, 270355, 366049, 523196, 540710, 653995, 732098, 1081420, 1307990, 1464196, 1830245, 2615980, 3660490, 7320980, 50880811, 101761622, 203523244, 254404055, 508808110, 1017616220]

約数ペア:

[(1, 1017616220), (2, 508808110), (4, 254404055), (5, 203523244), (10, 101761622), (20, 50880811), (139, 7320980), (278, 3660490), (389, 2615980), (556, 1830245), (695, 1464196), (778, 1307990), (941, 1081420), (1390, 732098), (1556, 653995), (1882, 540710), (1945, 523196), (2780, 366049), (3764, 270355), (3890, 261598), (4705, 216284), (7780, 130799), (9410, 108142), (18820, 54071)]