83747860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 206927784

約数和(自身を除く): 123179924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 881, 970, 980, 1358, 1762, 1940, 2716, 3395, 3524, 4405, 4753, 6167, 6790, 8810, 9506, 12334, 13580, 17620, 19012, 23765, 24668, 30835, 43169, 47530, 61670, 85457, 86338, 95060, 123340, 170914, 172676, 215845, 341828, 427285, 431690, 598199, 854570, 863380, 1196398, 1709140, 2392796, 2990995, 4187393, 5981990, 8374786, 11963980, 16749572, 20936965, 41873930, 83747860]

約数ペア:

[(1, 83747860), (2, 41873930), (4, 20936965), (5, 16749572), (7, 11963980), (10, 8374786), (14, 5981990), (20, 4187393), (28, 2990995), (35, 2392796), (49, 1709140), (70, 1196398), (97, 863380), (98, 854570), (140, 598199), (194, 431690), (196, 427285), (245, 341828), (388, 215845), (485, 172676), (490, 170914), (679, 123340), (881, 95060), (970, 86338), (980, 85457), (1358, 61670), (1762, 47530), (1940, 43169), (2716, 30835), (3395, 24668), (3524, 23765), (4405, 19012), (4753, 17620), (6167, 13580), (6790, 12334), (8810, 9506)]