255710056

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 622771200

約数和(自身を除く): 367061144

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 67, 68, 76, 119, 133, 134, 136, 152, 211, 238, 266, 268, 323, 422, 469, 476, 532, 536, 646, 844, 938, 952, 1064, 1139, 1273, 1292, 1477, 1688, 1876, 2261, 2278, 2546, 2584, 2954, 3587, 3752, 4009, 4522, 4556, 5092, 5908, 7174, 7973, 8018, 8911, 9044, 9112, 10184, 11816, 14137, 14348, 15946, 16036, 17822, 18088, 21641, 25109, 28063, 28274, 28696, 31892, 32072, 35644, 43282, 50218, 56126, 56548, 63784, 68153, 71288, 86564, 98959, 100436, 112252, 113096, 136306, 151487, 173128, 197918, 200872, 224504, 240329, 268603, 272612, 302974, 395836, 477071, 480658, 537206, 545224, 605948, 791672, 954142, 961316, 1074412, 1211896, 1682303, 1880221, 1908284, 1922632, 2148824, 3364606, 3760442, 3816568, 4566251, 6729212, 7520884, 9132502, 13458424, 15041768, 18265004, 31963757, 36530008, 63927514, 127855028, 255710056]

約数ペア:

[(1, 255710056), (2, 127855028), (4, 63927514), (7, 36530008), (8, 31963757), (14, 18265004), (17, 15041768), (19, 13458424), (28, 9132502), (34, 7520884), (38, 6729212), (56, 4566251), (67, 3816568), (68, 3760442), (76, 3364606), (119, 2148824), (133, 1922632), (134, 1908284), (136, 1880221), (152, 1682303), (211, 1211896), (238, 1074412), (266, 961316), (268, 954142), (323, 791672), (422, 605948), (469, 545224), (476, 537206), (532, 480658), (536, 477071), (646, 395836), (844, 302974), (938, 272612), (952, 268603), (1064, 240329), (1139, 224504), (1273, 200872), (1292, 197918), (1477, 173128), (1688, 151487), (1876, 136306), (2261, 113096), (2278, 112252), (2546, 100436), (2584, 98959), (2954, 86564), (3587, 71288), (3752, 68153), (4009, 63784), (4522, 56548), (4556, 56126), (5092, 50218), (5908, 43282), (7174, 35644), (7973, 32072), (8018, 31892), (8911, 28696), (9044, 28274), (9112, 28063), (10184, 25109), (11816, 21641), (14137, 18088), (14348, 17822), (15946, 16036)]