251649400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{20627}}^1$

素因数の和:20704

約数の個数: 48

約数和(自身を含む): 594705240

約数和(自身を除く): 343055840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 20627, 41254, 82508, 103135, 165016, 206270, 412540, 515675, 825080, 1031350, 1258247, 2062700, 2516494, 4125400, 5032988, 6291235, 10065976, 12582470, 25164940, 31456175, 50329880, 62912350, 125824700, 251649400]

約数ペア:

[(1, 251649400), (2, 125824700), (4, 62912350), (5, 50329880), (8, 31456175), (10, 25164940), (20, 12582470), (25, 10065976), (40, 6291235), (50, 5032988), (61, 4125400), (100, 2516494), (122, 2062700), (200, 1258247), (244, 1031350), (305, 825080), (488, 515675), (610, 412540), (1220, 206270), (1525, 165016), (2440, 103135), (3050, 82508), (6100, 41254), (12200, 20627)]