205412376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 577463040

約数和(自身を除く): 372050664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 61, 78, 86, 104, 122, 129, 156, 172, 183, 244, 251, 258, 312, 344, 366, 488, 502, 516, 559, 732, 753, 793, 1004, 1032, 1118, 1464, 1506, 1586, 1677, 2008, 2236, 2379, 2623, 3012, 3172, 3263, 3354, 4472, 4758, 5246, 6024, 6344, 6526, 6708, 7869, 9516, 9789, 10492, 10793, 13052, 13416, 15311, 15738, 19032, 19578, 20984, 21586, 26104, 30622, 31476, 32379, 34099, 39156, 43172, 45933, 61244, 62952, 64758, 68198, 78312, 86344, 91866, 102297, 122488, 129516, 136396, 140309, 183732, 199043, 204594, 259032, 272792, 280618, 367464, 398086, 409188, 420927, 561236, 597129, 658373, 796172, 818376, 841854, 1122472, 1194258, 1316746, 1592344, 1683708, 1975119, 2388516, 2633492, 3367416, 3950238, 4777032, 5266984, 7900476, 8558849, 15800952, 17117698, 25676547, 34235396, 51353094, 68470792, 102706188, 205412376]

約数ペア:

[(1, 205412376), (2, 102706188), (3, 68470792), (4, 51353094), (6, 34235396), (8, 25676547), (12, 17117698), (13, 15800952), (24, 8558849), (26, 7900476), (39, 5266984), (43, 4777032), (52, 3950238), (61, 3367416), (78, 2633492), (86, 2388516), (104, 1975119), (122, 1683708), (129, 1592344), (156, 1316746), (172, 1194258), (183, 1122472), (244, 841854), (251, 818376), (258, 796172), (312, 658373), (344, 597129), (366, 561236), (488, 420927), (502, 409188), (516, 398086), (559, 367464), (732, 280618), (753, 272792), (793, 259032), (1004, 204594), (1032, 199043), (1118, 183732), (1464, 140309), (1506, 136396), (1586, 129516), (1677, 122488), (2008, 102297), (2236, 91866), (2379, 86344), (2623, 78312), (3012, 68198), (3172, 64758), (3263, 62952), (3354, 61244), (4472, 45933), (4758, 43172), (5246, 39156), (6024, 34099), (6344, 32379), (6526, 31476), (6708, 30622), (7869, 26104), (9516, 21586), (9789, 20984), (10492, 19578), (10793, 19032), (13052, 15738), (13416, 15311)]