249863680

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:520

約数の個数: 160

約数和(自身を含む): 689420160

約数和(自身を除く): 439556480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 304, 320, 352, 380, 418, 440, 467, 512, 608, 640, 704, 760, 836, 880, 934, 1045, 1216, 1280, 1408, 1520, 1672, 1760, 1868, 2090, 2335, 2432, 2560, 2816, 3040, 3344, 3520, 3736, 4180, 4670, 4864, 5137, 5632, 6080, 6688, 7040, 7472, 8360, 8873, 9340, 9728, 10274, 12160, 13376, 14080, 14944, 16720, 17746, 18680, 20548, 24320, 25685, 26752, 28160, 29888, 33440, 35492, 37360, 41096, 44365, 48640, 51370, 53504, 59776, 66880, 70984, 74720, 82192, 88730, 97603, 102740, 107008, 119552, 133760, 141968, 149440, 164384, 177460, 195206, 205480, 239104, 267520, 283936, 298880, 328768, 354920, 390412, 410960, 488015, 535040, 567872, 597760, 657536, 709840, 780824, 821920, 976030, 1135744, 1195520, 1315072, 1419680, 1561648, 1643840, 1952060, 2271488, 2630144, 2839360, 3123296, 3287680, 3904120, 4542976, 5678720, 6246592, 6575360, 7808240, 11357440, 12493184, 13150720, 15616480, 22714880, 24986368, 31232960, 49972736, 62465920, 124931840, 249863680]

約数ペア:

[(1, 249863680), (2, 124931840), (4, 62465920), (5, 49972736), (8, 31232960), (10, 24986368), (11, 22714880), (16, 15616480), (19, 13150720), (20, 12493184), (22, 11357440), (32, 7808240), (38, 6575360), (40, 6246592), (44, 5678720), (55, 4542976), (64, 3904120), (76, 3287680), (80, 3123296), (88, 2839360), (95, 2630144), (110, 2271488), (128, 1952060), (152, 1643840), (160, 1561648), (176, 1419680), (190, 1315072), (209, 1195520), (220, 1135744), (256, 976030), (304, 821920), (320, 780824), (352, 709840), (380, 657536), (418, 597760), (440, 567872), (467, 535040), (512, 488015), (608, 410960), (640, 390412), (704, 354920), (760, 328768), (836, 298880), (880, 283936), (934, 267520), (1045, 239104), (1216, 205480), (1280, 195206), (1408, 177460), (1520, 164384), (1672, 149440), (1760, 141968), (1868, 133760), (2090, 119552), (2335, 107008), (2432, 102740), (2560, 97603), (2816, 88730), (3040, 82192), (3344, 74720), (3520, 70984), (3736, 66880), (4180, 59776), (4670, 53504), (4864, 51370), (5137, 48640), (5632, 44365), (6080, 41096), (6688, 37360), (7040, 35492), (7472, 33440), (8360, 29888), (8873, 28160), (9340, 26752), (9728, 25685), (10274, 24320), (12160, 20548), (13376, 18680), (14080, 17746), (14944, 16720)]