90336820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13729}}^1$

素因数の和:13792

約数の個数: 48

約数和(自身を含む): 221437440

約数和(自身を除く): 131100620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 13729, 27458, 54916, 68645, 96103, 137290, 192206, 274580, 384412, 480515, 645263, 961030, 1290526, 1922060, 2581052, 3226315, 4516841, 6452630, 9033682, 12905260, 18067364, 22584205, 45168410, 90336820]

約数ペア:

[(1, 90336820), (2, 45168410), (4, 22584205), (5, 18067364), (7, 12905260), (10, 9033682), (14, 6452630), (20, 4516841), (28, 3226315), (35, 2581052), (47, 1922060), (70, 1290526), (94, 961030), (140, 645263), (188, 480515), (235, 384412), (329, 274580), (470, 192206), (658, 137290), (940, 96103), (1316, 68645), (1645, 54916), (3290, 27458), (6580, 13729)]