23139620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 32743900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 839, 985, 1379, 1678, 1970, 2758, 3356, 3940, 4195, 5516, 5873, 6895, 8390, 11746, 13790, 16780, 23492, 27580, 29365, 58730, 117460, 165283, 330566, 661132, 826415, 1156981, 1652830, 2313962, 3305660, 4627924, 5784905, 11569810, 23139620]

約数ペア:

[(1, 23139620), (2, 11569810), (4, 5784905), (5, 4627924), (7, 3305660), (10, 2313962), (14, 1652830), (20, 1156981), (28, 826415), (35, 661132), (70, 330566), (140, 165283), (197, 117460), (394, 58730), (788, 29365), (839, 27580), (985, 23492), (1379, 16780), (1678, 13790), (1970, 11746), (2758, 8390), (3356, 6895), (3940, 5873), (4195, 5516)]