148994020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1064243}}^1$

素因数の和:1064259

約数の個数: 24

約数和(自身を含む): 357585984

約数和(自身を除く): 208591964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1064243, 2128486, 4256972, 5321215, 7449701, 10642430, 14899402, 21284860, 29798804, 37248505, 74497010, 148994020]

約数ペア:

[(1, 148994020), (2, 74497010), (4, 37248505), (5, 29798804), (7, 21284860), (10, 14899402), (14, 10642430), (20, 7449701), (28, 5321215), (35, 4256972), (70, 2128486), (140, 1064243)]