205828980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10427}}^1$

素因数の和:10493

約数の個数: 96

約数和(自身を含む): 672731136

約数和(自身を除く): 466902156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3948, 4935, 6580, 9870, 10427, 19740, 20854, 31281, 41708, 52135, 62562, 72989, 104270, 125124, 145978, 156405, 208540, 218967, 291956, 312810, 364945, 437934, 490069, 625620, 729890, 875868, 980138, 1094835, 1459780, 1470207, 1960276, 2189670, 2450345, 2940414, 3430483, 4379340, 4900690, 5880828, 6860966, 7351035, 9801380, 10291449, 13721932, 14702070, 17152415, 20582898, 29404140, 34304830, 41165796, 51457245, 68609660, 102914490, 205828980]

約数ペア:

[(1, 205828980), (2, 102914490), (3, 68609660), (4, 51457245), (5, 41165796), (6, 34304830), (7, 29404140), (10, 20582898), (12, 17152415), (14, 14702070), (15, 13721932), (20, 10291449), (21, 9801380), (28, 7351035), (30, 6860966), (35, 5880828), (42, 4900690), (47, 4379340), (60, 3430483), (70, 2940414), (84, 2450345), (94, 2189670), (105, 1960276), (140, 1470207), (141, 1459780), (188, 1094835), (210, 980138), (235, 875868), (282, 729890), (329, 625620), (420, 490069), (470, 437934), (564, 364945), (658, 312810), (705, 291956), (940, 218967), (987, 208540), (1316, 156405), (1410, 145978), (1645, 125124), (1974, 104270), (2820, 72989), (3290, 62562), (3948, 52135), (4935, 41708), (6580, 31281), (9870, 20854), (10427, 19740)]