53978500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 119311920

約数和(自身を除く): 65333420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 445, 500, 890, 1213, 1780, 2225, 2426, 4450, 4852, 6065, 8900, 11125, 12130, 22250, 24260, 30325, 44500, 60650, 107957, 121300, 151625, 215914, 303250, 431828, 539785, 606500, 1079570, 2159140, 2698925, 5397850, 10795700, 13494625, 26989250, 53978500]

約数ペア:

[(1, 53978500), (2, 26989250), (4, 13494625), (5, 10795700), (10, 5397850), (20, 2698925), (25, 2159140), (50, 1079570), (89, 606500), (100, 539785), (125, 431828), (178, 303250), (250, 215914), (356, 151625), (445, 121300), (500, 107957), (890, 60650), (1213, 44500), (1780, 30325), (2225, 24260), (2426, 22250), (4450, 12130), (4852, 11125), (6065, 8900)]