68174680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{4969}}^1$

素因数の和:5001

約数の個数: 64

約数和(自身を含む): 178920000

約数和(自身を除く): 110745320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 4969, 6860, 9938, 13720, 19876, 24845, 34783, 39752, 49690, 69566, 99380, 139132, 173915, 198760, 243481, 278264, 347830, 486962, 695660, 973924, 1217405, 1391320, 1704367, 1947848, 2434810, 3408734, 4869620, 6817468, 8521835, 9739240, 13634936, 17043670, 34087340, 68174680]

約数ペア:

[(1, 68174680), (2, 34087340), (4, 17043670), (5, 13634936), (7, 9739240), (8, 8521835), (10, 6817468), (14, 4869620), (20, 3408734), (28, 2434810), (35, 1947848), (40, 1704367), (49, 1391320), (56, 1217405), (70, 973924), (98, 695660), (140, 486962), (196, 347830), (245, 278264), (280, 243481), (343, 198760), (392, 173915), (490, 139132), (686, 99380), (980, 69566), (1372, 49690), (1715, 39752), (1960, 34783), (2744, 24845), (3430, 19876), (4969, 13720), (6860, 9938)]