2015230780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1\times {\mathrm{2381}}^1$

素因数の和:2910

約数の個数: 48

約数和(自身を含む): 4285884960

約数和(自身を除く): 2270654180

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 419, 505, 838, 1010, 1676, 2020, 2095, 2381, 4190, 4762, 8380, 9524, 11905, 23810, 42319, 47620, 84638, 169276, 211595, 240481, 423190, 480962, 846380, 961924, 997639, 1202405, 1995278, 2404810, 3990556, 4809620, 4988195, 9976390, 19952780, 100761539, 201523078, 403046156, 503807695, 1007615390, 2015230780]

約数ペア:

[(1, 2015230780), (2, 1007615390), (4, 503807695), (5, 403046156), (10, 201523078), (20, 100761539), (101, 19952780), (202, 9976390), (404, 4988195), (419, 4809620), (505, 3990556), (838, 2404810), (1010, 1995278), (1676, 1202405), (2020, 997639), (2095, 961924), (2381, 846380), (4190, 480962), (4762, 423190), (8380, 240481), (9524, 211595), (11905, 169276), (23810, 84638), (42319, 47620)]