78460820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{607}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 172827648

約数和(自身を除く): 94366828

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 281, 460, 562, 607, 1124, 1214, 1405, 2428, 2810, 3035, 5620, 6070, 6463, 12140, 12926, 13961, 25852, 27922, 32315, 55844, 64630, 69805, 129260, 139610, 170567, 279220, 341134, 682268, 852835, 1705670, 3411340, 3923041, 7846082, 15692164, 19615205, 39230410, 78460820]

約数ペア:

[(1, 78460820), (2, 39230410), (4, 19615205), (5, 15692164), (10, 7846082), (20, 3923041), (23, 3411340), (46, 1705670), (92, 852835), (115, 682268), (230, 341134), (281, 279220), (460, 170567), (562, 139610), (607, 129260), (1124, 69805), (1214, 64630), (1405, 55844), (2428, 32315), (2810, 27922), (3035, 25852), (5620, 13961), (6070, 12926), (6463, 12140)]