199914880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 128

約数和(自身を含む): 529869600

約数和(自身を除く): 329954720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 73, 80, 88, 110, 128, 146, 160, 176, 220, 292, 320, 352, 365, 389, 440, 584, 640, 704, 730, 778, 803, 880, 1168, 1408, 1460, 1556, 1606, 1760, 1945, 2336, 2920, 3112, 3212, 3520, 3890, 4015, 4279, 4672, 5840, 6224, 6424, 7040, 7780, 8030, 8558, 9344, 11680, 12448, 12848, 15560, 16060, 17116, 21395, 23360, 24896, 25696, 28397, 31120, 32120, 34232, 42790, 46720, 49792, 51392, 56794, 62240, 64240, 68464, 85580, 102784, 113588, 124480, 128480, 136928, 141985, 171160, 227176, 248960, 256960, 273856, 283970, 312367, 342320, 454352, 513920, 547712, 567940, 624734, 684640, 908704, 1135880, 1249468, 1369280, 1561835, 1817408, 2271760, 2498936, 2738560, 3123670, 3634816, 4543520, 4997872, 6247340, 9087040, 9995744, 12494680, 18174080, 19991488, 24989360, 39982976, 49978720, 99957440, 199914880]

約数ペア:

[(1, 199914880), (2, 99957440), (4, 49978720), (5, 39982976), (8, 24989360), (10, 19991488), (11, 18174080), (16, 12494680), (20, 9995744), (22, 9087040), (32, 6247340), (40, 4997872), (44, 4543520), (55, 3634816), (64, 3123670), (73, 2738560), (80, 2498936), (88, 2271760), (110, 1817408), (128, 1561835), (146, 1369280), (160, 1249468), (176, 1135880), (220, 908704), (292, 684640), (320, 624734), (352, 567940), (365, 547712), (389, 513920), (440, 454352), (584, 342320), (640, 312367), (704, 283970), (730, 273856), (778, 256960), (803, 248960), (880, 227176), (1168, 171160), (1408, 141985), (1460, 136928), (1556, 128480), (1606, 124480), (1760, 113588), (1945, 102784), (2336, 85580), (2920, 68464), (3112, 64240), (3212, 62240), (3520, 56794), (3890, 51392), (4015, 49792), (4279, 46720), (4672, 42790), (5840, 34232), (6224, 32120), (6424, 31120), (7040, 28397), (7780, 25696), (8030, 24896), (8558, 23360), (9344, 21395), (11680, 17116), (12448, 16060), (12848, 15560)]