1685725840

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{349}}^2$

素因数の和:884

約数の個数: 60

約数和(自身を含む): 3953294964

約数和(自身を除く): 2267569124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 349, 692, 698, 865, 1384, 1396, 1730, 1745, 2768, 2792, 3460, 3490, 5584, 6920, 6980, 13840, 13960, 27920, 60377, 120754, 121801, 241508, 243602, 301885, 483016, 487204, 603770, 609005, 966032, 974408, 1207540, 1218010, 1948816, 2415080, 2436020, 4830160, 4872040, 9744080, 21071573, 42143146, 84286292, 105357865, 168572584, 210715730, 337145168, 421431460, 842862920, 1685725840]

約数ペア:

[(1, 1685725840), (2, 842862920), (4, 421431460), (5, 337145168), (8, 210715730), (10, 168572584), (16, 105357865), (20, 84286292), (40, 42143146), (80, 21071573), (173, 9744080), (346, 4872040), (349, 4830160), (692, 2436020), (698, 2415080), (865, 1948816), (1384, 1218010), (1396, 1207540), (1730, 974408), (1745, 966032), (2768, 609005), (2792, 603770), (3460, 487204), (3490, 483016), (5584, 301885), (6920, 243602), (6980, 241508), (13840, 121801), (13960, 120754), (27920, 60377)]