256880453830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{254083}}^1$

素因数の和:254222

約数の個数: 128

約数和(自身を含む): 626973613056

約数和(自身を除く): 370093159226

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 101, 110, 130, 143, 154, 182, 202, 286, 385, 455, 505, 707, 715, 770, 910, 1001, 1010, 1111, 1313, 1414, 1430, 2002, 2222, 2626, 3535, 5005, 5555, 6565, 7070, 7777, 9191, 10010, 11110, 13130, 14443, 15554, 18382, 28886, 38885, 45955, 72215, 77770, 91910, 101101, 144430, 202202, 254083, 505505, 508166, 1011010, 1270415, 1778581, 2540830, 2794913, 3303079, 3557162, 5589826, 6606158, 8892905, 13974565, 16515395, 17785810, 19564391, 23121553, 25662383, 27949130, 33030790, 36333869, 39128782, 46243106, 51324766, 72667738, 97821955, 115607765, 128311915, 179636681, 181669345, 195643910, 231215530, 254337083, 256623830, 282286213, 333610979, 359273362, 363338690, 508674166, 564572426, 667221958, 898183405, 1271685415, 1411431065, 1668054895, 1796366810, 1976003491, 2335276853, 2543370830, 2822862130, 3336109790, 3669720769, 3952006982, 4670553706, 7339441538, 9880017455, 11676384265, 18348603845, 19760034910, 23352768530, 25688045383, 36697207690, 51376090766, 128440226915, 256880453830]

約数ペア:

[(1, 256880453830), (2, 128440226915), (5, 51376090766), (7, 36697207690), (10, 25688045383), (11, 23352768530), (13, 19760034910), (14, 18348603845), (22, 11676384265), (26, 9880017455), (35, 7339441538), (55, 4670553706), (65, 3952006982), (70, 3669720769), (77, 3336109790), (91, 2822862130), (101, 2543370830), (110, 2335276853), (130, 1976003491), (143, 1796366810), (154, 1668054895), (182, 1411431065), (202, 1271685415), (286, 898183405), (385, 667221958), (455, 564572426), (505, 508674166), (707, 363338690), (715, 359273362), (770, 333610979), (910, 282286213), (1001, 256623830), (1010, 254337083), (1111, 231215530), (1313, 195643910), (1414, 181669345), (1430, 179636681), (2002, 128311915), (2222, 115607765), (2626, 97821955), (3535, 72667738), (5005, 51324766), (5555, 46243106), (6565, 39128782), (7070, 36333869), (7777, 33030790), (9191, 27949130), (10010, 25662383), (11110, 23121553), (13130, 19564391), (14443, 17785810), (15554, 16515395), (18382, 13974565), (28886, 8892905), (38885, 6606158), (45955, 5589826), (72215, 3557162), (77770, 3303079), (91910, 2794913), (101101, 2540830), (144430, 1778581), (202202, 1270415), (254083, 1011010), (505505, 508166)]