290756494

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 528184800

約数和(自身を除く): 237428306

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 263, 389, 406, 526, 778, 1421, 1841, 2723, 2842, 3682, 5446, 7627, 11281, 12887, 15254, 19061, 22562, 25774, 38122, 53389, 78967, 102307, 106778, 157934, 204614, 373723, 552769, 716149, 747446, 1105538, 1432298, 2966903, 5013043, 5933806, 10026086, 20768321, 41536642, 145378247, 290756494]

約数ペア:

[(1, 290756494), (2, 145378247), (7, 41536642), (14, 20768321), (29, 10026086), (49, 5933806), (58, 5013043), (98, 2966903), (203, 1432298), (263, 1105538), (389, 747446), (406, 716149), (526, 552769), (778, 373723), (1421, 204614), (1841, 157934), (2723, 106778), (2842, 102307), (3682, 78967), (5446, 53389), (7627, 38122), (11281, 25774), (12887, 22562), (15254, 19061)]