3998220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1801}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 11503968

約数和(自身を除く): 7505748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 1801, 2220, 3602, 5403, 7204, 9005, 10806, 18010, 21612, 27015, 36020, 54030, 66637, 108060, 133274, 199911, 266548, 333185, 399822, 666370, 799644, 999555, 1332740, 1999110, 3998220]

約数ペア:

[(1, 3998220), (2, 1999110), (3, 1332740), (4, 999555), (5, 799644), (6, 666370), (10, 399822), (12, 333185), (15, 266548), (20, 199911), (30, 133274), (37, 108060), (60, 66637), (74, 54030), (111, 36020), (148, 27015), (185, 21612), (222, 18010), (370, 10806), (444, 9005), (555, 7204), (740, 5403), (1110, 3602), (1801, 2220)]