189749900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1109}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 433566000

約数和(自身を除く): 243816100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 59, 100, 116, 118, 145, 236, 290, 295, 580, 590, 725, 1109, 1180, 1450, 1475, 1711, 2218, 2900, 2950, 3422, 4436, 5545, 5900, 6844, 8555, 11090, 17110, 22180, 27725, 32161, 34220, 42775, 55450, 64322, 65431, 85550, 110900, 128644, 130862, 160805, 171100, 261724, 321610, 327155, 643220, 654310, 804025, 1308620, 1608050, 1635775, 1897499, 3216100, 3271550, 3794998, 6543100, 7589996, 9487495, 18974990, 37949980, 47437475, 94874950, 189749900]

約数ペア:

[(1, 189749900), (2, 94874950), (4, 47437475), (5, 37949980), (10, 18974990), (20, 9487495), (25, 7589996), (29, 6543100), (50, 3794998), (58, 3271550), (59, 3216100), (100, 1897499), (116, 1635775), (118, 1608050), (145, 1308620), (236, 804025), (290, 654310), (295, 643220), (580, 327155), (590, 321610), (725, 261724), (1109, 171100), (1180, 160805), (1450, 130862), (1475, 128644), (1711, 110900), (2218, 85550), (2900, 65431), (2950, 64322), (3422, 55450), (4436, 42775), (5545, 34220), (5900, 32161), (6844, 27725), (8555, 22180), (11090, 17110)]