1078850305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 1536192000

約数和(自身を除く): 457341695

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 361, 437, 1235, 1495, 1805, 1999, 2185, 4693, 5681, 8303, 9995, 23465, 25987, 28405, 37981, 41515, 45977, 107939, 129935, 189905, 229885, 493753, 539695, 597701, 721639, 873563, 2468765, 2988505, 3608195, 4367815, 9381307, 11356319, 16597697, 46906535, 56781595, 82988485, 215770061, 1078850305]

約数ペア:

[(1, 1078850305), (5, 215770061), (13, 82988485), (19, 56781595), (23, 46906535), (65, 16597697), (95, 11356319), (115, 9381307), (247, 4367815), (299, 3608195), (361, 2988505), (437, 2468765), (1235, 873563), (1495, 721639), (1805, 597701), (1999, 539695), (2185, 493753), (4693, 229885), (5681, 189905), (8303, 129935), (9995, 107939), (23465, 45977), (25987, 41515), (28405, 37981)]