398923360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 192

約数和(自身を含む): 1110412800

約数和(自身を除く): 711489440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 67, 68, 80, 85, 88, 110, 134, 136, 160, 170, 176, 187, 199, 220, 268, 272, 335, 340, 352, 374, 398, 440, 536, 544, 670, 680, 737, 748, 796, 880, 935, 995, 1072, 1139, 1340, 1360, 1474, 1496, 1592, 1760, 1870, 1990, 2144, 2189, 2278, 2680, 2720, 2948, 2992, 3184, 3383, 3685, 3740, 3980, 4378, 4556, 5360, 5695, 5896, 5984, 6368, 6766, 7370, 7480, 7960, 8756, 9112, 10720, 10945, 11390, 11792, 12529, 13333, 13532, 14740, 14960, 15920, 16915, 17512, 18224, 21890, 22780, 23584, 25058, 26666, 27064, 29480, 29920, 31840, 33830, 35024, 36448, 37213, 43780, 45560, 50116, 53332, 54128, 58960, 62645, 66665, 67660, 70048, 74426, 87560, 91120, 100232, 106664, 108256, 117920, 125290, 133330, 135320, 146663, 148852, 175120, 182240, 186065, 200464, 213328, 226661, 250580, 266660, 270640, 293326, 297704, 350240, 372130, 400928, 426656, 453322, 501160, 533320, 541280, 586652, 595408, 733315, 744260, 906644, 1002320, 1066640, 1133305, 1173304, 1190816, 1466630, 1488520, 1813288, 2004640, 2133280, 2266610, 2346608, 2493271, 2933260, 2977040, 3626576, 4533220, 4693216, 4986542, 5866520, 5954080, 7253152, 9066440, 9973084, 11733040, 12466355, 18132880, 19946168, 23466080, 24932710, 36265760, 39892336, 49865420, 79784672, 99730840, 199461680, 398923360]

約数ペア:

[(1, 398923360), (2, 199461680), (4, 99730840), (5, 79784672), (8, 49865420), (10, 39892336), (11, 36265760), (16, 24932710), (17, 23466080), (20, 19946168), (22, 18132880), (32, 12466355), (34, 11733040), (40, 9973084), (44, 9066440), (55, 7253152), (67, 5954080), (68, 5866520), (80, 4986542), (85, 4693216), (88, 4533220), (110, 3626576), (134, 2977040), (136, 2933260), (160, 2493271), (170, 2346608), (176, 2266610), (187, 2133280), (199, 2004640), (220, 1813288), (268, 1488520), (272, 1466630), (335, 1190816), (340, 1173304), (352, 1133305), (374, 1066640), (398, 1002320), (440, 906644), (536, 744260), (544, 733315), (670, 595408), (680, 586652), (737, 541280), (748, 533320), (796, 501160), (880, 453322), (935, 426656), (995, 400928), (1072, 372130), (1139, 350240), (1340, 297704), (1360, 293326), (1474, 270640), (1496, 266660), (1592, 250580), (1760, 226661), (1870, 213328), (1990, 200464), (2144, 186065), (2189, 182240), (2278, 175120), (2680, 148852), (2720, 146663), (2948, 135320), (2992, 133330), (3184, 125290), (3383, 117920), (3685, 108256), (3740, 106664), (3980, 100232), (4378, 91120), (4556, 87560), (5360, 74426), (5695, 70048), (5896, 67660), (5984, 66665), (6368, 62645), (6766, 58960), (7370, 54128), (7480, 53332), (7960, 50116), (8756, 45560), (9112, 43780), (10720, 37213), (10945, 36448), (11390, 35024), (11792, 33830), (12529, 31840), (13333, 29920), (13532, 29480), (14740, 27064), (14960, 26666), (15920, 25058), (16915, 23584), (17512, 22780), (18224, 21890)]