136789880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1187}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 319904640

約数和(自身を除く): 183114760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 860, 1187, 1340, 1720, 2374, 2680, 2881, 4748, 5762, 5935, 9496, 11524, 11870, 14405, 23048, 23740, 28810, 47480, 51041, 57620, 79529, 102082, 115240, 159058, 204164, 255205, 318116, 397645, 408328, 510410, 636232, 795290, 1020820, 1590580, 2041640, 3181160, 3419747, 6839494, 13678988, 17098735, 27357976, 34197470, 68394940, 136789880]

約数ペア:

[(1, 136789880), (2, 68394940), (4, 34197470), (5, 27357976), (8, 17098735), (10, 13678988), (20, 6839494), (40, 3419747), (43, 3181160), (67, 2041640), (86, 1590580), (134, 1020820), (172, 795290), (215, 636232), (268, 510410), (335, 408328), (344, 397645), (430, 318116), (536, 255205), (670, 204164), (860, 159058), (1187, 115240), (1340, 102082), (1720, 79529), (2374, 57620), (2680, 51041), (2881, 47480), (4748, 28810), (5762, 23740), (5935, 23048), (9496, 14405), (11524, 11870)]