813304420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1402249}}^1$

素因数の和:1402287

約数の個数: 24

約数和(自身を含む): 1766835000

約数和(自身を除く): 953530580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1402249, 2804498, 5608996, 7011245, 14022490, 28044980, 40665221, 81330442, 162660884, 203326105, 406652210, 813304420]

約数ペア:

[(1, 813304420), (2, 406652210), (4, 203326105), (5, 162660884), (10, 81330442), (20, 40665221), (29, 28044980), (58, 14022490), (116, 7011245), (145, 5608996), (290, 2804498), (580, 1402249)]