4731980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 10989216

約数和(自身を除く): 6257236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 157, 220, 274, 314, 548, 628, 685, 785, 1370, 1507, 1570, 1727, 2740, 3014, 3140, 3454, 6028, 6908, 7535, 8635, 15070, 17270, 21509, 30140, 34540, 43018, 86036, 107545, 215090, 236599, 430180, 473198, 946396, 1182995, 2365990, 4731980]

約数ペア:

[(1, 4731980), (2, 2365990), (4, 1182995), (5, 946396), (10, 473198), (11, 430180), (20, 236599), (22, 215090), (44, 107545), (55, 86036), (110, 43018), (137, 34540), (157, 30140), (220, 21509), (274, 17270), (314, 15070), (548, 8635), (628, 7535), (685, 6908), (785, 6028), (1370, 3454), (1507, 3140), (1570, 3014), (1727, 2740)]