275008220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{3593}}^1$

素因数の和:3734

約数の個数: 48

約数和(自身を含む): 597754080

約数和(自身を除く): 322745860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1780, 3593, 3827, 7186, 7654, 14372, 15308, 17965, 19135, 35930, 38270, 71860, 76540, 154499, 308998, 319777, 617996, 639554, 772495, 1279108, 1544990, 1598885, 3089980, 3197770, 6395540, 13750411, 27500822, 55001644, 68752055, 137504110, 275008220]

約数ペア:

[(1, 275008220), (2, 137504110), (4, 68752055), (5, 55001644), (10, 27500822), (20, 13750411), (43, 6395540), (86, 3197770), (89, 3089980), (172, 1598885), (178, 1544990), (215, 1279108), (356, 772495), (430, 639554), (445, 617996), (860, 319777), (890, 308998), (1780, 154499), (3593, 76540), (3827, 71860), (7186, 38270), (7654, 35930), (14372, 19135), (15308, 17965)]