256238889790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{761}}^1\times {\mathrm{1009}}^1$

素因数の和:1958

約数の個数: 128

約数和(自身を含む): 530631440640

約数和(自身を除く): 274392550850

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 151, 170, 221, 302, 442, 755, 761, 1009, 1105, 1510, 1522, 1963, 2018, 2210, 2567, 3805, 3926, 5045, 5134, 7610, 9815, 9893, 10090, 12835, 12937, 13117, 17153, 19630, 19786, 25670, 25874, 26234, 33371, 34306, 49465, 64685, 65585, 66742, 85765, 98930, 114911, 129370, 131170, 152359, 166855, 168181, 171530, 222989, 229822, 304718, 333710, 336362, 445978, 574555, 761795, 767849, 840905, 1114945, 1149110, 1493843, 1523590, 1535698, 1681810, 1953487, 1980667, 2229890, 2590103, 2987686, 3839245, 3906974, 3961334, 5180206, 7469215, 7678490, 9767435, 9903335, 9982037, 12950515, 13053433, 14938430, 19534870, 19806670, 19964074, 25395331, 25901030, 26106866, 33671339, 49910185, 50790662, 65267165, 67342678, 99820370, 115945199, 126976655, 130534330, 168356695, 169694629, 231890398, 253953310, 336713390, 339389258, 579725995, 848473145, 1159451990, 1507287587, 1696946290, 1971068383, 3014575174, 3942136766, 7536437935, 9855341915, 15072875870, 19710683830, 25623888979, 51247777958, 128119444895, 256238889790]

約数ペア:

[(1, 256238889790), (2, 128119444895), (5, 51247777958), (10, 25623888979), (13, 19710683830), (17, 15072875870), (26, 9855341915), (34, 7536437935), (65, 3942136766), (85, 3014575174), (130, 1971068383), (151, 1696946290), (170, 1507287587), (221, 1159451990), (302, 848473145), (442, 579725995), (755, 339389258), (761, 336713390), (1009, 253953310), (1105, 231890398), (1510, 169694629), (1522, 168356695), (1963, 130534330), (2018, 126976655), (2210, 115945199), (2567, 99820370), (3805, 67342678), (3926, 65267165), (5045, 50790662), (5134, 49910185), (7610, 33671339), (9815, 26106866), (9893, 25901030), (10090, 25395331), (12835, 19964074), (12937, 19806670), (13117, 19534870), (17153, 14938430), (19630, 13053433), (19786, 12950515), (25670, 9982037), (25874, 9903335), (26234, 9767435), (33371, 7678490), (34306, 7469215), (49465, 5180206), (64685, 3961334), (65585, 3906974), (66742, 3839245), (85765, 2987686), (98930, 2590103), (114911, 2229890), (129370, 1980667), (131170, 1953487), (152359, 1681810), (166855, 1535698), (168181, 1523590), (171530, 1493843), (222989, 1149110), (229822, 1114945), (304718, 840905), (333710, 767849), (336362, 761795), (445978, 574555)]