27757520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 76885704

約数和(自身を除く): 49128184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 97, 98, 112, 140, 146, 194, 196, 245, 280, 292, 365, 388, 392, 485, 490, 511, 560, 584, 679, 730, 776, 784, 970, 980, 1022, 1168, 1358, 1460, 1552, 1940, 1960, 2044, 2555, 2716, 2920, 3395, 3577, 3880, 3920, 4088, 4753, 5110, 5432, 5840, 6790, 7081, 7154, 7760, 8176, 9506, 10220, 10864, 13580, 14162, 14308, 17885, 19012, 20440, 23765, 27160, 28324, 28616, 35405, 35770, 38024, 40880, 47530, 49567, 54320, 56648, 57232, 70810, 71540, 76048, 95060, 99134, 113296, 141620, 143080, 190120, 198268, 247835, 283240, 286160, 346969, 380240, 396536, 495670, 566480, 693938, 793072, 991340, 1387876, 1734845, 1982680, 2775752, 3469690, 3965360, 5551504, 6939380, 13878760, 27757520]

約数ペア:

[(1, 27757520), (2, 13878760), (4, 6939380), (5, 5551504), (7, 3965360), (8, 3469690), (10, 2775752), (14, 1982680), (16, 1734845), (20, 1387876), (28, 991340), (35, 793072), (40, 693938), (49, 566480), (56, 495670), (70, 396536), (73, 380240), (80, 346969), (97, 286160), (98, 283240), (112, 247835), (140, 198268), (146, 190120), (194, 143080), (196, 141620), (245, 113296), (280, 99134), (292, 95060), (365, 76048), (388, 71540), (392, 70810), (485, 57232), (490, 56648), (511, 54320), (560, 49567), (584, 47530), (679, 40880), (730, 38024), (776, 35770), (784, 35405), (970, 28616), (980, 28324), (1022, 27160), (1168, 23765), (1358, 20440), (1460, 19012), (1552, 17885), (1940, 14308), (1960, 14162), (2044, 13580), (2555, 10864), (2716, 10220), (2920, 9506), (3395, 8176), (3577, 7760), (3880, 7154), (3920, 7081), (4088, 6790), (4753, 5840), (5110, 5432)]