208398680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7673}}^1$

素因数の和:7788

約数の個数: 64

約数和(自身を含む): 541477440

約数和(自身を除く): 333078760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 5432, 6790, 7673, 13580, 15346, 27160, 30692, 38365, 53711, 61384, 76730, 107422, 153460, 214844, 268555, 306920, 429688, 537110, 744281, 1074220, 1488562, 2148440, 2977124, 3721405, 5209967, 5954248, 7442810, 10419934, 14885620, 20839868, 26049835, 29771240, 41679736, 52099670, 104199340, 208398680]

約数ペア:

[(1, 208398680), (2, 104199340), (4, 52099670), (5, 41679736), (7, 29771240), (8, 26049835), (10, 20839868), (14, 14885620), (20, 10419934), (28, 7442810), (35, 5954248), (40, 5209967), (56, 3721405), (70, 2977124), (97, 2148440), (140, 1488562), (194, 1074220), (280, 744281), (388, 537110), (485, 429688), (679, 306920), (776, 268555), (970, 214844), (1358, 153460), (1940, 107422), (2716, 76730), (3395, 61384), (3880, 53711), (5432, 38365), (6790, 30692), (7673, 27160), (13580, 15346)]