388365720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{1999}}^1$

素因数の和:3632

約数の個数: 64

約数和(自身を含む): 1166400000

約数和(自身を除く): 778034280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1619, 1999, 3238, 3998, 4857, 5997, 6476, 7996, 8095, 9714, 9995, 11994, 12952, 15992, 16190, 19428, 19990, 23988, 24285, 29985, 32380, 38856, 39980, 47976, 48570, 59970, 64760, 79960, 97140, 119940, 194280, 239880, 3236381, 6472762, 9709143, 12945524, 16181905, 19418286, 25891048, 32363810, 38836572, 48545715, 64727620, 77673144, 97091430, 129455240, 194182860, 388365720]

約数ペア:

[(1, 388365720), (2, 194182860), (3, 129455240), (4, 97091430), (5, 77673144), (6, 64727620), (8, 48545715), (10, 38836572), (12, 32363810), (15, 25891048), (20, 19418286), (24, 16181905), (30, 12945524), (40, 9709143), (60, 6472762), (120, 3236381), (1619, 239880), (1999, 194280), (3238, 119940), (3998, 97140), (4857, 79960), (5997, 64760), (6476, 59970), (7996, 48570), (8095, 47976), (9714, 39980), (9995, 38856), (11994, 32380), (12952, 29985), (15992, 24285), (16190, 23988), (19428, 19990)]