19701700

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{727}}^1$

素因数の和:1012

約数の個数: 36

約数和(自身を含む): 42969472

約数和(自身を除く): 23267772

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 727, 1084, 1355, 1454, 2710, 2908, 3635, 5420, 6775, 7270, 13550, 14540, 18175, 27100, 36350, 72700, 197017, 394034, 788068, 985085, 1970170, 3940340, 4925425, 9850850, 19701700]

約数ペア:

[(1, 19701700), (2, 9850850), (4, 4925425), (5, 3940340), (10, 1970170), (20, 985085), (25, 788068), (50, 394034), (100, 197017), (271, 72700), (542, 36350), (727, 27100), (1084, 18175), (1355, 14540), (1454, 13550), (2710, 7270), (2908, 6775), (3635, 5420)]