425409280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 1073737728

約数和(自身を除く): 648328448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 151, 155, 160, 248, 256, 284, 302, 310, 320, 355, 496, 568, 604, 620, 640, 710, 755, 992, 1136, 1208, 1240, 1280, 1420, 1510, 1984, 2201, 2272, 2416, 2480, 2840, 3020, 3968, 4402, 4544, 4681, 4832, 4960, 5680, 6040, 7936, 8804, 9088, 9362, 9664, 9920, 10721, 11005, 11360, 12080, 17608, 18176, 18724, 19328, 19840, 21442, 22010, 22720, 23405, 24160, 35216, 37448, 38656, 39680, 42884, 44020, 45440, 46810, 48320, 53605, 70432, 74896, 85768, 88040, 90880, 93620, 96640, 107210, 140864, 149792, 171536, 176080, 187240, 193280, 214420, 281728, 299584, 332351, 343072, 352160, 374480, 428840, 563456, 599168, 664702, 686144, 704320, 748960, 857680, 1198336, 1329404, 1372288, 1408640, 1497920, 1661755, 1715360, 2658808, 2744576, 2817280, 2995840, 3323510, 3430720, 5317616, 5991680, 6647020, 6861440, 10635232, 13294040, 13722880, 21270464, 26588080, 42540928, 53176160, 85081856, 106352320, 212704640, 425409280]

約数ペア:

[(1, 425409280), (2, 212704640), (4, 106352320), (5, 85081856), (8, 53176160), (10, 42540928), (16, 26588080), (20, 21270464), (31, 13722880), (32, 13294040), (40, 10635232), (62, 6861440), (64, 6647020), (71, 5991680), (80, 5317616), (124, 3430720), (128, 3323510), (142, 2995840), (151, 2817280), (155, 2744576), (160, 2658808), (248, 1715360), (256, 1661755), (284, 1497920), (302, 1408640), (310, 1372288), (320, 1329404), (355, 1198336), (496, 857680), (568, 748960), (604, 704320), (620, 686144), (640, 664702), (710, 599168), (755, 563456), (992, 428840), (1136, 374480), (1208, 352160), (1240, 343072), (1280, 332351), (1420, 299584), (1510, 281728), (1984, 214420), (2201, 193280), (2272, 187240), (2416, 176080), (2480, 171536), (2840, 149792), (3020, 140864), (3968, 107210), (4402, 96640), (4544, 93620), (4681, 90880), (4832, 88040), (4960, 85768), (5680, 74896), (6040, 70432), (7936, 53605), (8804, 48320), (9088, 46810), (9362, 45440), (9664, 44020), (9920, 42884), (10721, 39680), (11005, 38656), (11360, 37448), (12080, 35216), (17608, 24160), (18176, 23405), (18724, 22720), (19328, 22010), (19840, 21442)]