388611180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:804

約数の個数: 144

約数和(自身を含む): 1249248000

約数和(自身を除く): 860636820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 199, 228, 285, 342, 380, 398, 570, 571, 597, 684, 796, 855, 995, 1140, 1142, 1194, 1710, 1713, 1791, 1990, 2284, 2388, 2855, 2985, 3420, 3426, 3582, 3781, 3980, 5139, 5710, 5970, 6852, 7164, 7562, 8565, 8955, 10278, 10849, 11343, 11420, 11940, 15124, 17130, 17910, 18905, 20556, 21698, 22686, 25695, 32547, 34029, 34260, 35820, 37810, 43396, 45372, 51390, 54245, 56715, 65094, 68058, 75620, 97641, 102780, 108490, 113430, 113629, 130188, 136116, 162735, 170145, 195282, 216980, 226860, 227258, 325470, 340290, 340887, 390564, 454516, 488205, 568145, 650940, 680580, 681774, 976410, 1022661, 1136290, 1363548, 1704435, 1952820, 2045322, 2158951, 2272580, 3408870, 4090644, 4317902, 5113305, 6476853, 6817740, 8635804, 10226610, 10794755, 12953706, 19430559, 20453220, 21589510, 25907412, 32384265, 38861118, 43179020, 64768530, 77722236, 97152795, 129537060, 194305590, 388611180]

約数ペア:

[(1, 388611180), (2, 194305590), (3, 129537060), (4, 97152795), (5, 77722236), (6, 64768530), (9, 43179020), (10, 38861118), (12, 32384265), (15, 25907412), (18, 21589510), (19, 20453220), (20, 19430559), (30, 12953706), (36, 10794755), (38, 10226610), (45, 8635804), (57, 6817740), (60, 6476853), (76, 5113305), (90, 4317902), (95, 4090644), (114, 3408870), (171, 2272580), (180, 2158951), (190, 2045322), (199, 1952820), (228, 1704435), (285, 1363548), (342, 1136290), (380, 1022661), (398, 976410), (570, 681774), (571, 680580), (597, 650940), (684, 568145), (796, 488205), (855, 454516), (995, 390564), (1140, 340887), (1142, 340290), (1194, 325470), (1710, 227258), (1713, 226860), (1791, 216980), (1990, 195282), (2284, 170145), (2388, 162735), (2855, 136116), (2985, 130188), (3420, 113629), (3426, 113430), (3582, 108490), (3781, 102780), (3980, 97641), (5139, 75620), (5710, 68058), (5970, 65094), (6852, 56715), (7164, 54245), (7562, 51390), (8565, 45372), (8955, 43396), (10278, 37810), (10849, 35820), (11343, 34260), (11420, 34029), (11940, 32547), (15124, 25695), (17130, 22686), (17910, 21698), (18905, 20556)]