31123600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 83030400

約数和(自身を除く): 51906800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 34, 40, 46, 50, 68, 80, 85, 92, 100, 115, 136, 170, 184, 199, 200, 230, 272, 340, 368, 391, 398, 400, 425, 460, 575, 680, 782, 796, 850, 920, 995, 1150, 1360, 1564, 1592, 1700, 1840, 1955, 1990, 2300, 3128, 3184, 3383, 3400, 3910, 3980, 4577, 4600, 4975, 6256, 6766, 6800, 7820, 7960, 9154, 9200, 9775, 9950, 13532, 15640, 15920, 16915, 18308, 19550, 19900, 22885, 27064, 31280, 33830, 36616, 39100, 39800, 45770, 54128, 67660, 73232, 77809, 78200, 79600, 84575, 91540, 114425, 135320, 155618, 156400, 169150, 183080, 228850, 270640, 311236, 338300, 366160, 389045, 457700, 622472, 676600, 778090, 915400, 1244944, 1353200, 1556180, 1830800, 1945225, 3112360, 3890450, 6224720, 7780900, 15561800, 31123600]

約数ペア:

[(1, 31123600), (2, 15561800), (4, 7780900), (5, 6224720), (8, 3890450), (10, 3112360), (16, 1945225), (17, 1830800), (20, 1556180), (23, 1353200), (25, 1244944), (34, 915400), (40, 778090), (46, 676600), (50, 622472), (68, 457700), (80, 389045), (85, 366160), (92, 338300), (100, 311236), (115, 270640), (136, 228850), (170, 183080), (184, 169150), (199, 156400), (200, 155618), (230, 135320), (272, 114425), (340, 91540), (368, 84575), (391, 79600), (398, 78200), (400, 77809), (425, 73232), (460, 67660), (575, 54128), (680, 45770), (782, 39800), (796, 39100), (850, 36616), (920, 33830), (995, 31280), (1150, 27064), (1360, 22885), (1564, 19900), (1592, 19550), (1700, 18308), (1840, 16915), (1955, 15920), (1990, 15640), (2300, 13532), (3128, 9950), (3184, 9775), (3383, 9200), (3400, 9154), (3910, 7960), (3980, 7820), (4577, 6800), (4600, 6766), (4975, 6256)]