136855240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 317338560

約数和(自身を除く): 180483320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 251, 317, 344, 430, 502, 634, 860, 1004, 1255, 1268, 1585, 1720, 2008, 2510, 2536, 3170, 5020, 6340, 10040, 10793, 12680, 13631, 21586, 27262, 43172, 53965, 54524, 68155, 79567, 86344, 107930, 109048, 136310, 159134, 215860, 272620, 318268, 397835, 431720, 545240, 636536, 795670, 1591340, 3182680, 3421381, 6842762, 13685524, 17106905, 27371048, 34213810, 68427620, 136855240]

約数ペア:

[(1, 136855240), (2, 68427620), (4, 34213810), (5, 27371048), (8, 17106905), (10, 13685524), (20, 6842762), (40, 3421381), (43, 3182680), (86, 1591340), (172, 795670), (215, 636536), (251, 545240), (317, 431720), (344, 397835), (430, 318268), (502, 272620), (634, 215860), (860, 159134), (1004, 136310), (1255, 109048), (1268, 107930), (1585, 86344), (1720, 79567), (2008, 68155), (2510, 54524), (2536, 53965), (3170, 43172), (5020, 27262), (6340, 21586), (10040, 13631), (10793, 12680)]