306533680

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{10979}}^1$

素因数の和:11341

約数の個数: 40

約数和(自身を含む): 714798000

約数和(自身を除く): 408264320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 10979, 13960, 21958, 27920, 43916, 54895, 87832, 109790, 175664, 219580, 439160, 878320, 3831671, 7663342, 15326684, 19158355, 30653368, 38316710, 61306736, 76633420, 153266840, 306533680]

約数ペア:

[(1, 306533680), (2, 153266840), (4, 76633420), (5, 61306736), (8, 38316710), (10, 30653368), (16, 19158355), (20, 15326684), (40, 7663342), (80, 3831671), (349, 878320), (698, 439160), (1396, 219580), (1745, 175664), (2792, 109790), (3490, 87832), (5584, 54895), (6980, 43916), (10979, 27920), (13960, 21958)]