64669340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 140422464

約数和(自身を除く): 75753124

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 281, 311, 370, 562, 622, 740, 1124, 1244, 1405, 1555, 2810, 3110, 5620, 6220, 10397, 11507, 20794, 23014, 41588, 46028, 51985, 57535, 87391, 103970, 115070, 174782, 207940, 230140, 349564, 436955, 873910, 1747820, 3233467, 6466934, 12933868, 16167335, 32334670, 64669340]

約数ペア:

[(1, 64669340), (2, 32334670), (4, 16167335), (5, 12933868), (10, 6466934), (20, 3233467), (37, 1747820), (74, 873910), (148, 436955), (185, 349564), (281, 230140), (311, 207940), (370, 174782), (562, 115070), (622, 103970), (740, 87391), (1124, 57535), (1244, 51985), (1405, 46028), (1555, 41588), (2810, 23014), (3110, 20794), (5620, 11507), (6220, 10397)]