1244500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 2882880

約数和(自身を除く): 1638380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 131, 190, 250, 262, 380, 475, 500, 524, 655, 950, 1310, 1900, 2375, 2489, 2620, 3275, 4750, 4978, 6550, 9500, 9956, 12445, 13100, 16375, 24890, 32750, 49780, 62225, 65500, 124450, 248900, 311125, 622250, 1244500]

約数ペア:

[(1, 1244500), (2, 622250), (4, 311125), (5, 248900), (10, 124450), (19, 65500), (20, 62225), (25, 49780), (38, 32750), (50, 24890), (76, 16375), (95, 13100), (100, 12445), (125, 9956), (131, 9500), (190, 6550), (250, 4978), (262, 4750), (380, 3275), (475, 2620), (500, 2489), (524, 2375), (655, 1900), (950, 1310)]