307150420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{2663}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 662376960

約数和(自身を除く): 355226540

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 730, 790, 1460, 1580, 2663, 5326, 5767, 10652, 11534, 13315, 23068, 26630, 28835, 53260, 57670, 115340, 194399, 210377, 388798, 420754, 777596, 841508, 971995, 1051885, 1943990, 2103770, 3887980, 4207540, 15357521, 30715042, 61430084, 76787605, 153575210, 307150420]

約数ペア:

[(1, 307150420), (2, 153575210), (4, 76787605), (5, 61430084), (10, 30715042), (20, 15357521), (73, 4207540), (79, 3887980), (146, 2103770), (158, 1943990), (292, 1051885), (316, 971995), (365, 841508), (395, 777596), (730, 420754), (790, 388798), (1460, 210377), (1580, 194399), (2663, 115340), (5326, 57670), (5767, 53260), (10652, 28835), (11534, 26630), (13315, 23068)]