87399340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 215862192

約数和(自身を除く): 128462852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 707, 883, 980, 1010, 1414, 1766, 2020, 2828, 3532, 3535, 4415, 4949, 6181, 7070, 8830, 9898, 12362, 14140, 17660, 19796, 24724, 24745, 30905, 43267, 49490, 61810, 86534, 89183, 98980, 123620, 173068, 178366, 216335, 356732, 432670, 445915, 624281, 865340, 891830, 1248562, 1783660, 2497124, 3121405, 4369967, 6242810, 8739934, 12485620, 17479868, 21849835, 43699670, 87399340]

約数ペア:

[(1, 87399340), (2, 43699670), (4, 21849835), (5, 17479868), (7, 12485620), (10, 8739934), (14, 6242810), (20, 4369967), (28, 3121405), (35, 2497124), (49, 1783660), (70, 1248562), (98, 891830), (101, 865340), (140, 624281), (196, 445915), (202, 432670), (245, 356732), (404, 216335), (490, 178366), (505, 173068), (707, 123620), (883, 98980), (980, 89183), (1010, 86534), (1414, 61810), (1766, 49490), (2020, 43267), (2828, 30905), (3532, 24745), (3535, 24724), (4415, 19796), (4949, 17660), (6181, 14140), (7070, 12362), (8830, 9898)]