4437780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 12768000

約数和(自身を除く): 8330220

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, 1999, 2220, 3998, 5997, 7996, 9995, 11994, 19990, 23988, 29985, 39980, 59970, 73963, 119940, 147926, 221889, 295852, 369815, 443778, 739630, 887556, 1109445, 1479260, 2218890, 4437780]

約数ペア:

[(1, 4437780), (2, 2218890), (3, 1479260), (4, 1109445), (5, 887556), (6, 739630), (10, 443778), (12, 369815), (15, 295852), (20, 221889), (30, 147926), (37, 119940), (60, 73963), (74, 59970), (111, 39980), (148, 29985), (185, 23988), (222, 19990), (370, 11994), (444, 9995), (555, 7996), (740, 5997), (1110, 3998), (1999, 2220)]