203218900

素因数分解:

$2^2\times 5^2\times {\mathrm{571}}^1\times {\mathrm{3559}}^1$

素因数の和:4144

約数の個数: 36

約数和(自身を含む): 441881440

約数和(自身を除く): 238662540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 571, 1142, 2284, 2855, 3559, 5710, 7118, 11420, 14236, 14275, 17795, 28550, 35590, 57100, 71180, 88975, 177950, 355900, 2032189, 4064378, 8128756, 10160945, 20321890, 40643780, 50804725, 101609450, 203218900]

約数ペア:

[(1, 203218900), (2, 101609450), (4, 50804725), (5, 40643780), (10, 20321890), (20, 10160945), (25, 8128756), (50, 4064378), (100, 2032189), (571, 355900), (1142, 177950), (2284, 88975), (2855, 71180), (3559, 57100), (5710, 35590), (7118, 28550), (11420, 17795), (14236, 14275)]