208198750

素因数分解:

$2^1\times 5^4\times {\mathrm{193}}^1\times {\mathrm{863}}^1$

素因数の和:1078

約数の個数: 40

約数和(自身を含む): 392724288

約数和(自身を除く): 184525538

約数列:

[1, 2, 5, 10, 25, 50, 125, 193, 250, 386, 625, 863, 965, 1250, 1726, 1930, 4315, 4825, 8630, 9650, 21575, 24125, 43150, 48250, 107875, 120625, 166559, 215750, 241250, 333118, 539375, 832795, 1078750, 1665590, 4163975, 8327950, 20819875, 41639750, 104099375, 208198750]

約数ペア:

[(1, 208198750), (2, 104099375), (5, 41639750), (10, 20819875), (25, 8327950), (50, 4163975), (125, 1665590), (193, 1078750), (250, 832795), (386, 539375), (625, 333118), (863, 241250), (965, 215750), (1250, 166559), (1726, 120625), (1930, 107875), (4315, 48250), (4825, 43150), (8630, 24125), (9650, 21575)]