260038376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 537138000

約数和(自身を除く): 277099624

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 149, 173, 194, 298, 346, 388, 596, 692, 776, 1192, 1261, 1384, 1937, 2249, 2522, 3874, 4498, 5044, 7748, 8996, 10088, 14453, 15496, 16781, 17992, 25777, 28906, 33562, 51554, 57812, 67124, 103108, 115624, 134248, 187889, 206216, 218153, 335101, 375778, 436306, 670202, 751556, 872612, 1340404, 1503112, 1745224, 2500369, 2680808, 5000738, 10001476, 20002952, 32504797, 65009594, 130019188, 260038376]

約数ペア:

[(1, 260038376), (2, 130019188), (4, 65009594), (8, 32504797), (13, 20002952), (26, 10001476), (52, 5000738), (97, 2680808), (104, 2500369), (149, 1745224), (173, 1503112), (194, 1340404), (298, 872612), (346, 751556), (388, 670202), (596, 436306), (692, 375778), (776, 335101), (1192, 218153), (1261, 206216), (1384, 187889), (1937, 134248), (2249, 115624), (2522, 103108), (3874, 67124), (4498, 57812), (5044, 51554), (7748, 33562), (8996, 28906), (10088, 25777), (14453, 17992), (15496, 16781)]