439851425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 650833344

約数和(自身を除く): 210981919

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 115, 163, 247, 299, 325, 361, 437, 475, 575, 815, 1235, 1495, 1805, 2119, 2185, 3097, 3749, 4075, 4693, 5681, 6175, 7475, 8303, 9025, 10595, 10925, 15485, 18745, 23465, 28405, 40261, 41515, 48737, 52975, 58843, 71231, 77425, 93725, 107939, 117325, 142025, 201305, 207575, 243685, 294215, 356155, 539695, 764959, 926003, 1006525, 1218425, 1353389, 1471075, 1780775, 2698475, 3824795, 4630015, 6766945, 17594057, 19123975, 23150075, 33834725, 87970285, 439851425]

約数ペア:

[(1, 439851425), (5, 87970285), (13, 33834725), (19, 23150075), (23, 19123975), (25, 17594057), (65, 6766945), (95, 4630015), (115, 3824795), (163, 2698475), (247, 1780775), (299, 1471075), (325, 1353389), (361, 1218425), (437, 1006525), (475, 926003), (575, 764959), (815, 539695), (1235, 356155), (1495, 294215), (1805, 243685), (2119, 207575), (2185, 201305), (3097, 142025), (3749, 117325), (4075, 107939), (4693, 93725), (5681, 77425), (6175, 71231), (7475, 58843), (8303, 52975), (9025, 48737), (10595, 41515), (10925, 40261), (15485, 28405), (18745, 23465)]