38439100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 96556320

約数和(自身を除く): 58117220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 350, 356, 445, 617, 623, 700, 890, 1234, 1246, 1780, 2225, 2468, 2492, 3085, 3115, 4319, 4450, 6170, 6230, 8638, 8900, 12340, 12460, 15425, 15575, 17276, 21595, 30850, 31150, 43190, 54913, 61700, 62300, 86380, 107975, 109826, 215950, 219652, 274565, 384391, 431900, 549130, 768782, 1098260, 1372825, 1537564, 1921955, 2745650, 3843910, 5491300, 7687820, 9609775, 19219550, 38439100]

約数ペア:

[(1, 38439100), (2, 19219550), (4, 9609775), (5, 7687820), (7, 5491300), (10, 3843910), (14, 2745650), (20, 1921955), (25, 1537564), (28, 1372825), (35, 1098260), (50, 768782), (70, 549130), (89, 431900), (100, 384391), (140, 274565), (175, 219652), (178, 215950), (350, 109826), (356, 107975), (445, 86380), (617, 62300), (623, 61700), (700, 54913), (890, 43190), (1234, 31150), (1246, 30850), (1780, 21595), (2225, 17276), (2468, 15575), (2492, 15425), (3085, 12460), (3115, 12340), (4319, 8900), (4450, 8638), (6170, 6230)]