900005680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:627

約数の個数: 160

約数和(自身を含む): 2534837760

約数和(自身を除く): 1634832080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 251, 266, 280, 304, 337, 380, 502, 532, 560, 665, 674, 760, 1004, 1064, 1255, 1330, 1348, 1520, 1685, 1757, 2008, 2128, 2359, 2510, 2660, 2696, 3370, 3514, 4016, 4718, 4769, 5020, 5320, 5392, 6403, 6740, 7028, 8785, 9436, 9538, 10040, 10640, 11795, 12806, 13480, 14056, 17570, 18872, 19076, 20080, 23590, 23845, 25612, 26960, 28112, 32015, 33383, 35140, 37744, 38152, 44821, 47180, 47690, 51224, 64030, 66766, 70280, 76304, 84587, 89642, 94360, 95380, 102448, 128060, 133532, 140560, 166915, 169174, 179284, 188720, 190760, 224105, 256120, 267064, 333830, 338348, 358568, 381520, 422935, 448210, 512240, 534128, 592109, 667660, 676696, 717136, 845870, 896420, 1184218, 1335320, 1353392, 1607153, 1691740, 1792840, 2368436, 2670640, 2960545, 3214306, 3383480, 3585680, 4736872, 5921090, 6428612, 6766960, 8035765, 9473744, 11250071, 11842180, 12857224, 16071530, 22500142, 23684360, 25714448, 32143060, 45000284, 47368720, 56250355, 64286120, 90000568, 112500710, 128572240, 180001136, 225001420, 450002840, 900005680]

約数ペア:

[(1, 900005680), (2, 450002840), (4, 225001420), (5, 180001136), (7, 128572240), (8, 112500710), (10, 90000568), (14, 64286120), (16, 56250355), (19, 47368720), (20, 45000284), (28, 32143060), (35, 25714448), (38, 23684360), (40, 22500142), (56, 16071530), (70, 12857224), (76, 11842180), (80, 11250071), (95, 9473744), (112, 8035765), (133, 6766960), (140, 6428612), (152, 5921090), (190, 4736872), (251, 3585680), (266, 3383480), (280, 3214306), (304, 2960545), (337, 2670640), (380, 2368436), (502, 1792840), (532, 1691740), (560, 1607153), (665, 1353392), (674, 1335320), (760, 1184218), (1004, 896420), (1064, 845870), (1255, 717136), (1330, 676696), (1348, 667660), (1520, 592109), (1685, 534128), (1757, 512240), (2008, 448210), (2128, 422935), (2359, 381520), (2510, 358568), (2660, 338348), (2696, 333830), (3370, 267064), (3514, 256120), (4016, 224105), (4718, 190760), (4769, 188720), (5020, 179284), (5320, 169174), (5392, 166915), (6403, 140560), (6740, 133532), (7028, 128060), (8785, 102448), (9436, 95380), (9538, 94360), (10040, 89642), (10640, 84587), (11795, 76304), (12806, 70280), (13480, 66766), (14056, 64030), (17570, 51224), (18872, 47690), (19076, 47180), (20080, 44821), (23590, 38152), (23845, 37744), (25612, 35140), (26960, 33383), (28112, 32015)]