217587440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1255

約数の個数: 120

約数和(自身を含む): 601515072

約数和(自身を除く): 383927632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 235, 245, 280, 329, 376, 392, 470, 490, 560, 658, 752, 784, 940, 980, 1181, 1316, 1645, 1880, 1960, 2303, 2362, 2632, 3290, 3760, 3920, 4606, 4724, 5264, 5905, 6580, 8267, 9212, 9448, 11515, 11810, 13160, 16534, 18424, 18896, 23030, 23620, 26320, 33068, 36848, 41335, 46060, 47240, 55507, 57869, 66136, 82670, 92120, 94480, 111014, 115738, 132272, 165340, 184240, 222028, 231476, 277535, 289345, 330680, 388549, 444056, 462952, 555070, 578690, 661360, 777098, 888112, 925904, 1110140, 1157380, 1554196, 1942745, 2220280, 2314760, 2719843, 3108392, 3885490, 4440560, 4629520, 5439686, 6216784, 7770980, 10879372, 13599215, 15541960, 21758744, 27198430, 31083920, 43517488, 54396860, 108793720, 217587440]

約数ペア:

[(1, 217587440), (2, 108793720), (4, 54396860), (5, 43517488), (7, 31083920), (8, 27198430), (10, 21758744), (14, 15541960), (16, 13599215), (20, 10879372), (28, 7770980), (35, 6216784), (40, 5439686), (47, 4629520), (49, 4440560), (56, 3885490), (70, 3108392), (80, 2719843), (94, 2314760), (98, 2220280), (112, 1942745), (140, 1554196), (188, 1157380), (196, 1110140), (235, 925904), (245, 888112), (280, 777098), (329, 661360), (376, 578690), (392, 555070), (470, 462952), (490, 444056), (560, 388549), (658, 330680), (752, 289345), (784, 277535), (940, 231476), (980, 222028), (1181, 184240), (1316, 165340), (1645, 132272), (1880, 115738), (1960, 111014), (2303, 94480), (2362, 92120), (2632, 82670), (3290, 66136), (3760, 57869), (3920, 55507), (4606, 47240), (4724, 46060), (5264, 41335), (5905, 36848), (6580, 33068), (8267, 26320), (9212, 23620), (9448, 23030), (11515, 18896), (11810, 18424), (13160, 16534)]