190028021780

素因数分解:

$2^2\times 5^1\times {\mathrm{43177}}^1\times {\mathrm{220057}}^1$

素因数の和:263243

約数の個数: 24

約数和(自身を含む): 399069901608

約数和(自身を除く): 209041879828

約数列:

[1, 2, 4, 5, 10, 20, 43177, 86354, 172708, 215885, 220057, 431770, 440114, 863540, 880228, 1100285, 2200570, 4401140, 9501401089, 19002802178, 38005604356, 47507005445, 95014010890, 190028021780]

約数ペア:

[(1, 190028021780), (2, 95014010890), (4, 47507005445), (5, 38005604356), (10, 19002802178), (20, 9501401089), (43177, 4401140), (86354, 2200570), (172708, 1100285), (215885, 880228), (220057, 863540), (431770, 440114)]