164080420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{167429}}^1$

素因数の和:167452

約数の個数: 36

約数和(自身を含む): 400827420

約数和(自身を除く): 236747000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 167429, 334858, 669716, 837145, 1172003, 1674290, 2344006, 3348580, 4688012, 5860015, 8204021, 11720030, 16408042, 23440060, 32816084, 41020105, 82040210, 164080420]

約数ペア:

[(1, 164080420), (2, 82040210), (4, 41020105), (5, 32816084), (7, 23440060), (10, 16408042), (14, 11720030), (20, 8204021), (28, 5860015), (35, 4688012), (49, 3348580), (70, 2344006), (98, 1674290), (140, 1172003), (196, 837145), (245, 669716), (490, 334858), (980, 167429)]