23399180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 56433216

約数和(自身を除く): 33034036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 421, 794, 842, 1588, 1684, 1985, 2105, 2779, 2947, 3970, 4210, 5558, 5894, 7940, 8420, 11116, 11788, 13895, 14735, 27790, 29470, 55580, 58940, 167137, 334274, 668548, 835685, 1169959, 1671370, 2339918, 3342740, 4679836, 5849795, 11699590, 23399180]

約数ペア:

[(1, 23399180), (2, 11699590), (4, 5849795), (5, 4679836), (7, 3342740), (10, 2339918), (14, 1671370), (20, 1169959), (28, 835685), (35, 668548), (70, 334274), (140, 167137), (397, 58940), (421, 55580), (794, 29470), (842, 27790), (1588, 14735), (1684, 13895), (1985, 11788), (2105, 11116), (2779, 8420), (2947, 7940), (3970, 5894), (4210, 5558)]