290604880

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{15199}}^1$

素因数の和:15451

約数の個数: 40

約数和(自身を含む): 678528000

約数和(自身を除く): 387923120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 15199, 19120, 30398, 60796, 75995, 121592, 151990, 243184, 303980, 607960, 1215920, 3632561, 7265122, 14530244, 18162805, 29060488, 36325610, 58120976, 72651220, 145302440, 290604880]

約数ペア:

[(1, 290604880), (2, 145302440), (4, 72651220), (5, 58120976), (8, 36325610), (10, 29060488), (16, 18162805), (20, 14530244), (40, 7265122), (80, 3632561), (239, 1215920), (478, 607960), (956, 303980), (1195, 243184), (1912, 151990), (2390, 121592), (3824, 75995), (4780, 60796), (9560, 30398), (15199, 19120)]