804340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 1707552

約数和(自身を除く): 903212

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 307, 524, 614, 655, 1228, 1310, 1535, 2620, 3070, 6140, 40217, 80434, 160868, 201085, 402170, 804340]

約数ペア:

[(1, 804340), (2, 402170), (4, 201085), (5, 160868), (10, 80434), (20, 40217), (131, 6140), (262, 3070), (307, 2620), (524, 1535), (614, 1310), (655, 1228)]