198117080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{707561}}^1$

素因数の和:707579

約数の個数: 32

約数和(自身を含む): 509444640

約数和(自身を除く): 311327560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 707561, 1415122, 2830244, 3537805, 4952927, 5660488, 7075610, 9905854, 14151220, 19811708, 24764635, 28302440, 39623416, 49529270, 99058540, 198117080]

約数ペア:

[(1, 198117080), (2, 99058540), (4, 49529270), (5, 39623416), (7, 28302440), (8, 24764635), (10, 19811708), (14, 14151220), (20, 9905854), (28, 7075610), (35, 5660488), (40, 4952927), (56, 3537805), (70, 2830244), (140, 1415122), (280, 707561)]