39840430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{81307}}^1$

素因数の和:81328

約数の個数: 24

約数和(自身を含む): 83422008

約数和(自身を除く): 43581578

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 81307, 162614, 406535, 569149, 813070, 1138298, 2845745, 3984043, 5691490, 7968086, 19920215, 39840430]

約数ペア:

[(1, 39840430), (2, 19920215), (5, 7968086), (7, 5691490), (10, 3984043), (14, 2845745), (35, 1138298), (49, 813070), (70, 569149), (98, 406535), (245, 162614), (490, 81307)]