69652420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 149700096

約数和(自身を除く): 80047676

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 181, 271, 284, 355, 362, 542, 710, 724, 905, 1084, 1355, 1420, 1810, 2710, 3620, 5420, 12851, 19241, 25702, 38482, 49051, 51404, 64255, 76964, 96205, 98102, 128510, 192410, 196204, 245255, 257020, 384820, 490510, 981020, 3482621, 6965242, 13930484, 17413105, 34826210, 69652420]

約数ペア:

[(1, 69652420), (2, 34826210), (4, 17413105), (5, 13930484), (10, 6965242), (20, 3482621), (71, 981020), (142, 490510), (181, 384820), (271, 257020), (284, 245255), (355, 196204), (362, 192410), (542, 128510), (710, 98102), (724, 96205), (905, 76964), (1084, 64255), (1355, 51404), (1420, 49051), (1810, 38482), (2710, 25702), (3620, 19241), (5420, 12851)]