729996820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{21817}}^1$

素因数の和:22072

約数の個数: 48

約数和(自身を含む): 1759403520

約数和(自身を除く): 1029406700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6692, 8365, 16730, 21817, 33460, 43634, 87268, 109085, 152719, 218170, 305438, 436340, 610876, 763595, 1527190, 3054380, 5214263, 10428526, 20857052, 26071315, 36499841, 52142630, 72999682, 104285260, 145999364, 182499205, 364998410, 729996820]

約数ペア:

[(1, 729996820), (2, 364998410), (4, 182499205), (5, 145999364), (7, 104285260), (10, 72999682), (14, 52142630), (20, 36499841), (28, 26071315), (35, 20857052), (70, 10428526), (140, 5214263), (239, 3054380), (478, 1527190), (956, 763595), (1195, 610876), (1673, 436340), (2390, 305438), (3346, 218170), (4780, 152719), (6692, 109085), (8365, 87268), (16730, 43634), (21817, 33460)]