2239720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 6076800

約数和(自身を除く): 3837080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 421, 532, 665, 760, 842, 1064, 1330, 1684, 2105, 2660, 2947, 3368, 4210, 5320, 5894, 7999, 8420, 11788, 14735, 15998, 16840, 23576, 29470, 31996, 39995, 55993, 58940, 63992, 79990, 111986, 117880, 159980, 223972, 279965, 319960, 447944, 559930, 1119860, 2239720]

約数ペア:

[(1, 2239720), (2, 1119860), (4, 559930), (5, 447944), (7, 319960), (8, 279965), (10, 223972), (14, 159980), (19, 117880), (20, 111986), (28, 79990), (35, 63992), (38, 58940), (40, 55993), (56, 39995), (70, 31996), (76, 29470), (95, 23576), (133, 16840), (140, 15998), (152, 14735), (190, 11788), (266, 8420), (280, 7999), (380, 5894), (421, 5320), (532, 4210), (665, 3368), (760, 2947), (842, 2660), (1064, 2105), (1330, 1684)]