71703700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 161427168

約数和(自身を除く): 89723468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 83, 100, 106, 163, 166, 212, 265, 326, 332, 415, 530, 652, 815, 830, 1060, 1325, 1630, 1660, 2075, 2650, 3260, 4075, 4150, 4399, 5300, 8150, 8300, 8639, 8798, 13529, 16300, 17278, 17596, 21995, 27058, 34556, 43195, 43990, 54116, 67645, 86390, 87980, 109975, 135290, 172780, 215975, 219950, 270580, 338225, 431950, 439900, 676450, 717037, 863900, 1352900, 1434074, 2868148, 3585185, 7170370, 14340740, 17925925, 35851850, 71703700]

約数ペア:

[(1, 71703700), (2, 35851850), (4, 17925925), (5, 14340740), (10, 7170370), (20, 3585185), (25, 2868148), (50, 1434074), (53, 1352900), (83, 863900), (100, 717037), (106, 676450), (163, 439900), (166, 431950), (212, 338225), (265, 270580), (326, 219950), (332, 215975), (415, 172780), (530, 135290), (652, 109975), (815, 87980), (830, 86390), (1060, 67645), (1325, 54116), (1630, 43990), (1660, 43195), (2075, 34556), (2650, 27058), (3260, 21995), (4075, 17596), (4150, 17278), (4399, 16300), (5300, 13529), (8150, 8798), (8300, 8639)]