222215150

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 423455040

約数和(自身を除く): 201239890

約数列:

[1, 2, 5, 10, 25, 50, 79, 101, 158, 202, 395, 505, 557, 790, 1010, 1114, 1975, 2525, 2785, 3950, 5050, 5570, 7979, 13925, 15958, 27850, 39895, 44003, 56257, 79790, 88006, 112514, 199475, 220015, 281285, 398950, 440030, 562570, 1100075, 1406425, 2200150, 2812850, 4444303, 8888606, 22221515, 44443030, 111107575, 222215150]

約数ペア:

[(1, 222215150), (2, 111107575), (5, 44443030), (10, 22221515), (25, 8888606), (50, 4444303), (79, 2812850), (101, 2200150), (158, 1406425), (202, 1100075), (395, 562570), (505, 440030), (557, 398950), (790, 281285), (1010, 220015), (1114, 199475), (1975, 112514), (2525, 88006), (2785, 79790), (3950, 56257), (5050, 44003), (5570, 39895), (7979, 27850), (13925, 15958)]