7776228100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{19553}}^1$

素因数の和:19705

約数の個数: 72

約数和(自身を含む): 17465085288

約数和(自身を除く): 9688857188

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 97, 100, 164, 194, 205, 388, 410, 485, 820, 970, 1025, 1940, 2050, 2425, 3977, 4100, 4850, 7954, 9700, 15908, 19553, 19885, 39106, 39770, 78212, 79540, 97765, 99425, 195530, 198850, 391060, 397700, 488825, 801673, 977650, 1603346, 1896641, 1955300, 3206692, 3793282, 4008365, 7586564, 8016730, 9483205, 16033460, 18966410, 20041825, 37932820, 40083650, 47416025, 77762281, 80167300, 94832050, 155524562, 189664100, 311049124, 388811405, 777622810, 1555245620, 1944057025, 3888114050, 7776228100]

約数ペア:

[(1, 7776228100), (2, 3888114050), (4, 1944057025), (5, 1555245620), (10, 777622810), (20, 388811405), (25, 311049124), (41, 189664100), (50, 155524562), (82, 94832050), (97, 80167300), (100, 77762281), (164, 47416025), (194, 40083650), (205, 37932820), (388, 20041825), (410, 18966410), (485, 16033460), (820, 9483205), (970, 8016730), (1025, 7586564), (1940, 4008365), (2050, 3793282), (2425, 3206692), (3977, 1955300), (4100, 1896641), (4850, 1603346), (7954, 977650), (9700, 801673), (15908, 488825), (19553, 397700), (19885, 391060), (39106, 198850), (39770, 195530), (78212, 99425), (79540, 97765)]