839997220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1\times {\mathrm{1787}}^1$

素因数の和:3052

約数の個数: 48

約数和(自身を含む): 1859376960

約数和(自身を除く): 1019379740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1237, 1787, 2474, 3574, 4948, 6185, 7148, 8935, 12370, 17870, 23503, 24740, 33953, 35740, 47006, 67906, 94012, 117515, 135812, 169765, 235030, 339530, 470060, 679060, 2210519, 4421038, 8842076, 11052595, 22105190, 41999861, 44210380, 83999722, 167999444, 209999305, 419998610, 839997220]

約数ペア:

[(1, 839997220), (2, 419998610), (4, 209999305), (5, 167999444), (10, 83999722), (19, 44210380), (20, 41999861), (38, 22105190), (76, 11052595), (95, 8842076), (190, 4421038), (380, 2210519), (1237, 679060), (1787, 470060), (2474, 339530), (3574, 235030), (4948, 169765), (6185, 135812), (7148, 117515), (8935, 94012), (12370, 67906), (17870, 47006), (23503, 35740), (24740, 33953)]