212338490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12281}}^1$

素因数の和:12327

約数の個数: 64

約数和(自身を含む): 495210240

約数和(自身を除く): 282871750

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 8645, 12281, 17290, 24562, 61405, 85967, 122810, 159653, 171934, 233339, 319306, 429835, 466678, 798265, 859670, 1117571, 1166695, 1596530, 1633373, 2235142, 2333390, 3033407, 3266746, 5587855, 6066814, 8166865, 11175710, 15167035, 16333730, 21233849, 30334070, 42467698, 106169245, 212338490]

約数ペア:

[(1, 212338490), (2, 106169245), (5, 42467698), (7, 30334070), (10, 21233849), (13, 16333730), (14, 15167035), (19, 11175710), (26, 8166865), (35, 6066814), (38, 5587855), (65, 3266746), (70, 3033407), (91, 2333390), (95, 2235142), (130, 1633373), (133, 1596530), (182, 1166695), (190, 1117571), (247, 859670), (266, 798265), (455, 466678), (494, 429835), (665, 319306), (910, 233339), (1235, 171934), (1330, 159653), (1729, 122810), (2470, 85967), (3458, 61405), (8645, 24562), (12281, 17290)]