399692800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1201}}^1$

素因数の和:1244

約数の個数: 132

約数和(自身を含む): 1067854396

約数和(自身を除く): 668161596

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1024, 1040, 1201, 1280, 1300, 1600, 1664, 2080, 2402, 2560, 2600, 3200, 3328, 4160, 4804, 5120, 5200, 6005, 6400, 6656, 8320, 9608, 10400, 12010, 12800, 13312, 15613, 16640, 19216, 20800, 24020, 25600, 30025, 31226, 33280, 38432, 41600, 48040, 60050, 62452, 66560, 76864, 78065, 83200, 96080, 120100, 124904, 153728, 156130, 166400, 192160, 240200, 249808, 307456, 312260, 332800, 384320, 390325, 480400, 499616, 614912, 624520, 768640, 780650, 960800, 999232, 1229824, 1249040, 1537280, 1561300, 1921600, 1998464, 2498080, 3074560, 3122600, 3843200, 3996928, 4996160, 6149120, 6245200, 7686400, 7993856, 9992320, 12490400, 15372800, 15987712, 19984640, 24980800, 30745600, 39969280, 49961600, 79938560, 99923200, 199846400, 399692800]

約数ペア:

[(1, 399692800), (2, 199846400), (4, 99923200), (5, 79938560), (8, 49961600), (10, 39969280), (13, 30745600), (16, 24980800), (20, 19984640), (25, 15987712), (26, 15372800), (32, 12490400), (40, 9992320), (50, 7993856), (52, 7686400), (64, 6245200), (65, 6149120), (80, 4996160), (100, 3996928), (104, 3843200), (128, 3122600), (130, 3074560), (160, 2498080), (200, 1998464), (208, 1921600), (256, 1561300), (260, 1537280), (320, 1249040), (325, 1229824), (400, 999232), (416, 960800), (512, 780650), (520, 768640), (640, 624520), (650, 614912), (800, 499616), (832, 480400), (1024, 390325), (1040, 384320), (1201, 332800), (1280, 312260), (1300, 307456), (1600, 249808), (1664, 240200), (2080, 192160), (2402, 166400), (2560, 156130), (2600, 153728), (3200, 124904), (3328, 120100), (4160, 96080), (4804, 83200), (5120, 78065), (5200, 76864), (6005, 66560), (6400, 62452), (6656, 60050), (8320, 48040), (9608, 41600), (10400, 38432), (12010, 33280), (12800, 31226), (13312, 30025), (15613, 25600), (16640, 24020), (19216, 20800)]