209917100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{39607}}^1$

素因数の和:39674

約数の個数: 36

約数和(自身を含む): 464126544

約数和(自身を除く): 254209444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 39607, 79214, 158428, 198035, 396070, 792140, 990175, 1980350, 2099171, 3960700, 4198342, 8396684, 10495855, 20991710, 41983420, 52479275, 104958550, 209917100]

約数ペア:

[(1, 209917100), (2, 104958550), (4, 52479275), (5, 41983420), (10, 20991710), (20, 10495855), (25, 8396684), (50, 4198342), (53, 3960700), (100, 2099171), (106, 1980350), (212, 990175), (265, 792140), (530, 396070), (1060, 198035), (1325, 158428), (2650, 79214), (5300, 39607)]