13212980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 33264000

約数和(自身を除く): 20051020

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 109, 110, 116, 145, 190, 209, 218, 220, 290, 319, 380, 418, 436, 545, 551, 580, 638, 836, 1045, 1090, 1102, 1199, 1276, 1595, 2071, 2090, 2180, 2204, 2398, 2755, 3161, 3190, 4142, 4180, 4796, 5510, 5995, 6061, 6322, 6380, 8284, 10355, 11020, 11990, 12122, 12644, 15805, 20710, 22781, 23980, 24244, 30305, 31610, 34771, 41420, 45562, 60059, 60610, 63220, 69542, 91124, 113905, 120118, 121220, 139084, 173855, 227810, 240236, 300295, 347710, 455620, 600590, 660649, 695420, 1201180, 1321298, 2642596, 3303245, 6606490, 13212980]

約数ペア:

[(1, 13212980), (2, 6606490), (4, 3303245), (5, 2642596), (10, 1321298), (11, 1201180), (19, 695420), (20, 660649), (22, 600590), (29, 455620), (38, 347710), (44, 300295), (55, 240236), (58, 227810), (76, 173855), (95, 139084), (109, 121220), (110, 120118), (116, 113905), (145, 91124), (190, 69542), (209, 63220), (218, 60610), (220, 60059), (290, 45562), (319, 41420), (380, 34771), (418, 31610), (436, 30305), (545, 24244), (551, 23980), (580, 22781), (638, 20710), (836, 15805), (1045, 12644), (1090, 12122), (1102, 11990), (1199, 11020), (1276, 10355), (1595, 8284), (2071, 6380), (2090, 6322), (2180, 6061), (2204, 5995), (2398, 5510), (2755, 4796), (3161, 4180), (3190, 4142)]