55488580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 138957336

約数和(自身を除く): 83468756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1381, 1435, 2009, 2762, 2870, 4018, 5524, 5740, 6905, 8036, 9667, 10045, 13810, 19334, 20090, 27620, 38668, 40180, 48335, 56621, 67669, 96670, 113242, 135338, 193340, 226484, 270676, 283105, 338345, 396347, 566210, 676690, 792694, 1132420, 1353380, 1585388, 1981735, 2774429, 3963470, 5548858, 7926940, 11097716, 13872145, 27744290, 55488580]

約数ペア:

[(1, 55488580), (2, 27744290), (4, 13872145), (5, 11097716), (7, 7926940), (10, 5548858), (14, 3963470), (20, 2774429), (28, 1981735), (35, 1585388), (41, 1353380), (49, 1132420), (70, 792694), (82, 676690), (98, 566210), (140, 396347), (164, 338345), (196, 283105), (205, 270676), (245, 226484), (287, 193340), (410, 135338), (490, 113242), (574, 96670), (820, 67669), (980, 56621), (1148, 48335), (1381, 40180), (1435, 38668), (2009, 27620), (2762, 20090), (2870, 19334), (4018, 13810), (5524, 10045), (5740, 9667), (6905, 8036)]