2017498420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{36299}}^1$

素因数の和:36712

約数の個数: 48

約数和(自身を含む): 4854326400

約数和(自身を除く): 2836827980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3970, 5558, 7940, 11116, 13895, 27790, 36299, 55580, 72598, 145196, 181495, 254093, 362990, 508186, 725980, 1016372, 1270465, 2540930, 5081860, 14410703, 28821406, 57642812, 72053515, 100874921, 144107030, 201749842, 288214060, 403499684, 504374605, 1008749210, 2017498420]

約数ペア:

[(1, 2017498420), (2, 1008749210), (4, 504374605), (5, 403499684), (7, 288214060), (10, 201749842), (14, 144107030), (20, 100874921), (28, 72053515), (35, 57642812), (70, 28821406), (140, 14410703), (397, 5081860), (794, 2540930), (1588, 1270465), (1985, 1016372), (2779, 725980), (3970, 508186), (5558, 362990), (7940, 254093), (11116, 181495), (13895, 145196), (27790, 72598), (36299, 55580)]