9998800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{3571}}^1$

素因数の和:3596

約数の個数: 60

約数和(自身を含む): 27461536

約数和(自身を除く): 17462736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 3571, 7142, 14284, 17855, 24997, 28568, 35710, 49994, 57136, 71420, 89275, 99988, 124985, 142840, 178550, 199976, 249970, 285680, 357100, 399952, 499940, 624925, 714200, 999880, 1249850, 1428400, 1999760, 2499700, 4999400, 9998800]

約数ペア:

[(1, 9998800), (2, 4999400), (4, 2499700), (5, 1999760), (7, 1428400), (8, 1249850), (10, 999880), (14, 714200), (16, 624925), (20, 499940), (25, 399952), (28, 357100), (35, 285680), (40, 249970), (50, 199976), (56, 178550), (70, 142840), (80, 124985), (100, 99988), (112, 89275), (140, 71420), (175, 57136), (200, 49994), (280, 35710), (350, 28568), (400, 24997), (560, 17855), (700, 14284), (1400, 7142), (2800, 3571)]