201311210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{2311}}^1$

素因数の和:2630

約数の個数: 32

約数和(自身を含む): 375542784

約数和(自身を除く): 174231574

約数列:

[1, 2, 5, 10, 31, 62, 155, 281, 310, 562, 1405, 2311, 2810, 4622, 8711, 11555, 17422, 23110, 43555, 71641, 87110, 143282, 358205, 649391, 716410, 1298782, 3246955, 6493910, 20131121, 40262242, 100655605, 201311210]

約数ペア:

[(1, 201311210), (2, 100655605), (5, 40262242), (10, 20131121), (31, 6493910), (62, 3246955), (155, 1298782), (281, 716410), (310, 649391), (562, 358205), (1405, 143282), (2311, 87110), (2810, 71641), (4622, 43555), (8711, 23110), (11555, 17422)]