205985080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 128

約数和(自身を含む): 576000000

約数和(自身を除く): 370014920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1249, 1330, 1736, 2170, 2356, 2498, 2660, 2945, 4123, 4340, 4712, 4996, 5320, 5890, 6245, 8246, 8680, 8743, 9992, 11780, 12490, 16492, 17486, 20615, 23560, 23731, 24980, 32984, 34972, 38719, 41230, 43715, 47462, 49960, 69944, 77438, 82460, 87430, 94924, 118655, 154876, 164920, 166117, 174860, 189848, 193595, 237310, 271033, 309752, 332234, 349720, 387190, 474620, 542066, 664468, 735661, 774380, 830585, 949240, 1084132, 1328936, 1355165, 1471322, 1548760, 1661170, 2168264, 2710330, 2942644, 3322340, 3678305, 5149627, 5420660, 5885288, 6644680, 7356610, 10299254, 10841320, 14713220, 20598508, 25748135, 29426440, 41197016, 51496270, 102992540, 205985080]

約数ペア:

[(1, 205985080), (2, 102992540), (4, 51496270), (5, 41197016), (7, 29426440), (8, 25748135), (10, 20598508), (14, 14713220), (19, 10841320), (20, 10299254), (28, 7356610), (31, 6644680), (35, 5885288), (38, 5420660), (40, 5149627), (56, 3678305), (62, 3322340), (70, 2942644), (76, 2710330), (95, 2168264), (124, 1661170), (133, 1548760), (140, 1471322), (152, 1355165), (155, 1328936), (190, 1084132), (217, 949240), (248, 830585), (266, 774380), (280, 735661), (310, 664468), (380, 542066), (434, 474620), (532, 387190), (589, 349720), (620, 332234), (665, 309752), (760, 271033), (868, 237310), (1064, 193595), (1085, 189848), (1178, 174860), (1240, 166117), (1249, 164920), (1330, 154876), (1736, 118655), (2170, 94924), (2356, 87430), (2498, 82460), (2660, 77438), (2945, 69944), (4123, 49960), (4340, 47462), (4712, 43715), (4996, 41230), (5320, 38719), (5890, 34972), (6245, 32984), (8246, 24980), (8680, 23731), (8743, 23560), (9992, 20615), (11780, 17486), (12490, 16492)]