188788220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 404587008

約数和(自身を除く): 215798788

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 191, 292, 365, 382, 677, 730, 764, 955, 1354, 1460, 1910, 2708, 3385, 3820, 6770, 13540, 13943, 27886, 49421, 55772, 69715, 98842, 129307, 139430, 197684, 247105, 258614, 278860, 494210, 517228, 646535, 988420, 1293070, 2586140, 9439411, 18878822, 37757644, 47197055, 94394110, 188788220]

約数ペア:

[(1, 188788220), (2, 94394110), (4, 47197055), (5, 37757644), (10, 18878822), (20, 9439411), (73, 2586140), (146, 1293070), (191, 988420), (292, 646535), (365, 517228), (382, 494210), (677, 278860), (730, 258614), (764, 247105), (955, 197684), (1354, 139430), (1460, 129307), (1910, 98842), (2708, 69715), (3385, 55772), (3820, 49421), (6770, 27886), (13540, 13943)]