863900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 36

約数和(自身を含む): 1921752

約数和(自身を除く): 1057852

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 163, 212, 265, 326, 530, 652, 815, 1060, 1325, 1630, 2650, 3260, 4075, 5300, 8150, 8639, 16300, 17278, 34556, 43195, 86390, 172780, 215975, 431950, 863900]

約数ペア:

[(1, 863900), (2, 431950), (4, 215975), (5, 172780), (10, 86390), (20, 43195), (25, 34556), (50, 17278), (53, 16300), (100, 8639), (106, 8150), (163, 5300), (212, 4075), (265, 3260), (326, 2650), (530, 1630), (652, 1325), (815, 1060)]