190959980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2851}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 426910176

約数和(自身を除く): 235950196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1970, 2851, 3349, 3940, 5702, 6698, 11404, 13396, 14255, 16745, 28510, 33490, 48467, 57020, 66980, 96934, 193868, 242335, 484670, 561647, 969340, 1123294, 2246588, 2808235, 5616470, 9547999, 11232940, 19095998, 38191996, 47739995, 95479990, 190959980]

約数ペア:

[(1, 190959980), (2, 95479990), (4, 47739995), (5, 38191996), (10, 19095998), (17, 11232940), (20, 9547999), (34, 5616470), (68, 2808235), (85, 2246588), (170, 1123294), (197, 969340), (340, 561647), (394, 484670), (788, 242335), (985, 193868), (1970, 96934), (2851, 66980), (3349, 57020), (3940, 48467), (5702, 33490), (6698, 28510), (11404, 16745), (13396, 14255)]