222131600

素因数分解:

$2^4\times 5^2\times {\mathrm{557}}^1\times {\mathrm{997}}^1$

素因数の和:1572

約数の個数: 60

約数和(自身を含む): 535165524

約数和(自身を除く): 313033924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 557, 997, 1114, 1994, 2228, 2785, 3988, 4456, 4985, 5570, 7976, 8912, 9970, 11140, 13925, 15952, 19940, 22280, 24925, 27850, 39880, 44560, 49850, 55700, 79760, 99700, 111400, 199400, 222800, 398800, 555329, 1110658, 2221316, 2776645, 4442632, 5553290, 8885264, 11106580, 13883225, 22213160, 27766450, 44426320, 55532900, 111065800, 222131600]

約数ペア:

[(1, 222131600), (2, 111065800), (4, 55532900), (5, 44426320), (8, 27766450), (10, 22213160), (16, 13883225), (20, 11106580), (25, 8885264), (40, 5553290), (50, 4442632), (80, 2776645), (100, 2221316), (200, 1110658), (400, 555329), (557, 398800), (997, 222800), (1114, 199400), (1994, 111400), (2228, 99700), (2785, 79760), (3988, 55700), (4456, 49850), (4985, 44560), (5570, 39880), (7976, 27850), (8912, 24925), (9970, 22280), (11140, 19940), (13925, 15952)]