85981490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4001}}^1$

素因数の和:4322

約数の個数: 32

約数和(自身を含む): 177496704

約数和(自身を除く): 91515214

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 1535, 2149, 3070, 4001, 4298, 8002, 10745, 20005, 21490, 28007, 40010, 56014, 140035, 280070, 1228307, 2456614, 6141535, 8598149, 12283070, 17196298, 42990745, 85981490]

約数ペア:

[(1, 85981490), (2, 42990745), (5, 17196298), (7, 12283070), (10, 8598149), (14, 6141535), (35, 2456614), (70, 1228307), (307, 280070), (614, 140035), (1535, 56014), (2149, 40010), (3070, 28007), (4001, 21490), (4298, 20005), (8002, 10745)]