140347970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{8389}}^1$

素因数の和:8642

約数の個数: 32

約数和(自身を含む): 289958400

約数和(自身を除く): 149610430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 8365, 8389, 16730, 16778, 41945, 58723, 83890, 117446, 293615, 587230, 2004971, 4009942, 10024855, 14034797, 20049710, 28069594, 70173985, 140347970]

約数ペア:

[(1, 140347970), (2, 70173985), (5, 28069594), (7, 20049710), (10, 14034797), (14, 10024855), (35, 4009942), (70, 2004971), (239, 587230), (478, 293615), (1195, 117446), (1673, 83890), (2390, 58723), (3346, 41945), (8365, 16778), (8389, 16730)]