209217260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 108

約数和(自身を含む): 527982336

約数和(自身を除く): 318765076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 127, 140, 164, 196, 205, 245, 254, 287, 410, 490, 508, 574, 635, 820, 889, 980, 1148, 1270, 1435, 1681, 1778, 2009, 2540, 2870, 3362, 3556, 4018, 4445, 5207, 5740, 6223, 6724, 8036, 8405, 8890, 10045, 10414, 11767, 12446, 16810, 17780, 20090, 20828, 23534, 24892, 26035, 31115, 33620, 36449, 40180, 47068, 52070, 58835, 62230, 72898, 82369, 104140, 117670, 124460, 145796, 164738, 182245, 213487, 235340, 255143, 329476, 364490, 411845, 426974, 510286, 728980, 823690, 853948, 1020572, 1067435, 1275715, 1494409, 1647380, 2134870, 2551430, 2988818, 4269740, 5102860, 5977636, 7472045, 10460863, 14944090, 20921726, 29888180, 41843452, 52304315, 104608630, 209217260]

約数ペア:

[(1, 209217260), (2, 104608630), (4, 52304315), (5, 41843452), (7, 29888180), (10, 20921726), (14, 14944090), (20, 10460863), (28, 7472045), (35, 5977636), (41, 5102860), (49, 4269740), (70, 2988818), (82, 2551430), (98, 2134870), (127, 1647380), (140, 1494409), (164, 1275715), (196, 1067435), (205, 1020572), (245, 853948), (254, 823690), (287, 728980), (410, 510286), (490, 426974), (508, 411845), (574, 364490), (635, 329476), (820, 255143), (889, 235340), (980, 213487), (1148, 182245), (1270, 164738), (1435, 145796), (1681, 124460), (1778, 117670), (2009, 104140), (2540, 82369), (2870, 72898), (3362, 62230), (3556, 58835), (4018, 52070), (4445, 47068), (5207, 40180), (5740, 36449), (6223, 33620), (6724, 31115), (8036, 26035), (8405, 24892), (8890, 23534), (10045, 20828), (10414, 20090), (11767, 17780), (12446, 16810)]