199612920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 649152000

約数和(自身を除く): 449539080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 199, 260, 312, 390, 398, 520, 597, 643, 780, 796, 995, 1194, 1286, 1560, 1592, 1929, 1990, 2388, 2572, 2587, 2985, 3215, 3858, 3980, 4776, 5144, 5174, 5970, 6430, 7716, 7761, 7960, 8359, 9645, 10348, 11940, 12860, 12935, 15432, 15522, 16718, 19290, 20696, 23880, 25077, 25720, 25870, 31044, 33436, 38580, 38805, 41795, 50154, 51740, 62088, 66872, 77160, 77610, 83590, 100308, 103480, 125385, 127957, 155220, 167180, 200616, 250770, 255914, 310440, 334360, 383871, 501540, 511828, 639785, 767742, 1003080, 1023656, 1279570, 1535484, 1663441, 1919355, 2559140, 3070968, 3326882, 3838710, 4990323, 5118280, 6653764, 7677420, 8317205, 9980646, 13307528, 15354840, 16634410, 19961292, 24951615, 33268820, 39922584, 49903230, 66537640, 99806460, 199612920]

約数ペア:

[(1, 199612920), (2, 99806460), (3, 66537640), (4, 49903230), (5, 39922584), (6, 33268820), (8, 24951615), (10, 19961292), (12, 16634410), (13, 15354840), (15, 13307528), (20, 9980646), (24, 8317205), (26, 7677420), (30, 6653764), (39, 5118280), (40, 4990323), (52, 3838710), (60, 3326882), (65, 3070968), (78, 2559140), (104, 1919355), (120, 1663441), (130, 1535484), (156, 1279570), (195, 1023656), (199, 1003080), (260, 767742), (312, 639785), (390, 511828), (398, 501540), (520, 383871), (597, 334360), (643, 310440), (780, 255914), (796, 250770), (995, 200616), (1194, 167180), (1286, 155220), (1560, 127957), (1592, 125385), (1929, 103480), (1990, 100308), (2388, 83590), (2572, 77610), (2587, 77160), (2985, 66872), (3215, 62088), (3858, 51740), (3980, 50154), (4776, 41795), (5144, 38805), (5174, 38580), (5970, 33436), (6430, 31044), (7716, 25870), (7761, 25720), (7960, 25077), (8359, 23880), (9645, 20696), (10348, 19290), (11940, 16718), (12860, 15522), (12935, 15432)]