9858980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 22208256

約数和(自身を除く): 12349276

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 271, 340, 428, 535, 542, 1070, 1084, 1355, 1819, 2140, 2710, 3638, 4607, 5420, 7276, 9095, 9214, 18190, 18428, 23035, 28997, 36380, 46070, 57994, 92140, 115988, 144985, 289970, 492949, 579940, 985898, 1971796, 2464745, 4929490, 9858980]

約数ペア:

[(1, 9858980), (2, 4929490), (4, 2464745), (5, 1971796), (10, 985898), (17, 579940), (20, 492949), (34, 289970), (68, 144985), (85, 115988), (107, 92140), (170, 57994), (214, 46070), (271, 36380), (340, 28997), (428, 23035), (535, 18428), (542, 18190), (1070, 9214), (1084, 9095), (1355, 7276), (1819, 5420), (2140, 4607), (2710, 3638)]