2186759980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{6451}}^1$

素因数の和:7474

約数の個数: 48

約数和(自身を含む): 4867956576

約数和(自身を除く): 2681196596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 997, 1994, 3988, 4985, 6451, 9970, 12902, 16949, 19940, 25804, 32255, 33898, 64510, 67796, 84745, 109667, 129020, 169490, 219334, 338980, 438668, 548335, 1096670, 2193340, 6431647, 12863294, 25726588, 32158235, 64316470, 109337999, 128632940, 218675998, 437351996, 546689995, 1093379990, 2186759980]

約数ペア:

[(1, 2186759980), (2, 1093379990), (4, 546689995), (5, 437351996), (10, 218675998), (17, 128632940), (20, 109337999), (34, 64316470), (68, 32158235), (85, 25726588), (170, 12863294), (340, 6431647), (997, 2193340), (1994, 1096670), (3988, 548335), (4985, 438668), (6451, 338980), (9970, 219334), (12902, 169490), (16949, 129020), (19940, 109667), (25804, 84745), (32255, 67796), (33898, 64510)]