220485700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53777}}^1$

素因数の和:53832

約数の個数: 36

約数和(自身を含む): 490132692

約数和(自身を除く): 269646992

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 53777, 107554, 215108, 268885, 537770, 1075540, 1344425, 2204857, 2688850, 4409714, 5377700, 8819428, 11024285, 22048570, 44097140, 55121425, 110242850, 220485700]

約数ペア:

[(1, 220485700), (2, 110242850), (4, 55121425), (5, 44097140), (10, 22048570), (20, 11024285), (25, 8819428), (41, 5377700), (50, 4409714), (82, 2688850), (100, 2204857), (164, 1344425), (205, 1075540), (410, 537770), (820, 268885), (1025, 215108), (2050, 107554), (4100, 53777)]