23173820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 50440320

約数和(自身を除く): 27266500

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 277, 356, 445, 470, 554, 890, 940, 1108, 1385, 1780, 2770, 4183, 5540, 8366, 13019, 16732, 20915, 24653, 26038, 41830, 49306, 52076, 65095, 83660, 98612, 123265, 130190, 246530, 260380, 493060, 1158691, 2317382, 4634764, 5793455, 11586910, 23173820]

約数ペア:

[(1, 23173820), (2, 11586910), (4, 5793455), (5, 4634764), (10, 2317382), (20, 1158691), (47, 493060), (89, 260380), (94, 246530), (178, 130190), (188, 123265), (235, 98612), (277, 83660), (356, 65095), (445, 52076), (470, 49306), (554, 41830), (890, 26038), (940, 24653), (1108, 20915), (1385, 16732), (1780, 13019), (2770, 8366), (4183, 5540)]