890391100

素因数分解:

$2^2\times 5^2\times {\mathrm{313}}^1\times {\mathrm{28447}}^1$

素因数の和:28774

約数の個数: 36

約数和(自身を含む): 1938389824

約数和(自身を除く): 1047998724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 313, 626, 1252, 1565, 3130, 6260, 7825, 15650, 28447, 31300, 56894, 113788, 142235, 284470, 568940, 711175, 1422350, 2844700, 8903911, 17807822, 35615644, 44519555, 89039110, 178078220, 222597775, 445195550, 890391100]

約数ペア:

[(1, 890391100), (2, 445195550), (4, 222597775), (5, 178078220), (10, 89039110), (20, 44519555), (25, 35615644), (50, 17807822), (100, 8903911), (313, 2844700), (626, 1422350), (1252, 711175), (1565, 568940), (3130, 284470), (6260, 142235), (7825, 113788), (15650, 56894), (28447, 31300)]