53518780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 132321168

約数和(自身を除く): 78802388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 563, 679, 970, 980, 1126, 1358, 1940, 2252, 2716, 2815, 3395, 3941, 4753, 5630, 6790, 7882, 9506, 11260, 13580, 15764, 19012, 19705, 23765, 27587, 39410, 47530, 54611, 55174, 78820, 95060, 109222, 110348, 137935, 218444, 273055, 275870, 382277, 546110, 551740, 764554, 1092220, 1529108, 1911385, 2675939, 3822770, 5351878, 7645540, 10703756, 13379695, 26759390, 53518780]

約数ペア:

[(1, 53518780), (2, 26759390), (4, 13379695), (5, 10703756), (7, 7645540), (10, 5351878), (14, 3822770), (20, 2675939), (28, 1911385), (35, 1529108), (49, 1092220), (70, 764554), (97, 551740), (98, 546110), (140, 382277), (194, 275870), (196, 273055), (245, 218444), (388, 137935), (485, 110348), (490, 109222), (563, 95060), (679, 78820), (970, 55174), (980, 54611), (1126, 47530), (1358, 39410), (1940, 27587), (2252, 23765), (2716, 19705), (2815, 19012), (3395, 15764), (3941, 13580), (4753, 11260), (5630, 9506), (6790, 7882)]