404449280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 981227520

約数和(自身を除く): 576778240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 311, 320, 508, 512, 622, 635, 640, 1016, 1024, 1244, 1270, 1280, 1555, 2032, 2048, 2488, 2540, 2560, 3110, 4064, 4976, 5080, 5120, 6220, 8128, 9952, 10160, 10240, 12440, 16256, 19904, 20320, 24880, 32512, 39497, 39808, 40640, 49760, 65024, 78994, 79616, 81280, 99520, 130048, 157988, 159232, 162560, 197485, 199040, 260096, 315976, 318464, 325120, 394970, 398080, 631952, 636928, 650240, 789940, 796160, 1263904, 1300480, 1579880, 1592320, 2527808, 3159760, 3184640, 5055616, 6319520, 10111232, 12639040, 20222464, 25278080, 40444928, 50556160, 80889856, 101112320, 202224640, 404449280]

約数ペア:

[(1, 404449280), (2, 202224640), (4, 101112320), (5, 80889856), (8, 50556160), (10, 40444928), (16, 25278080), (20, 20222464), (32, 12639040), (40, 10111232), (64, 6319520), (80, 5055616), (127, 3184640), (128, 3159760), (160, 2527808), (254, 1592320), (256, 1579880), (311, 1300480), (320, 1263904), (508, 796160), (512, 789940), (622, 650240), (635, 636928), (640, 631952), (1016, 398080), (1024, 394970), (1244, 325120), (1270, 318464), (1280, 315976), (1555, 260096), (2032, 199040), (2048, 197485), (2488, 162560), (2540, 159232), (2560, 157988), (3110, 130048), (4064, 99520), (4976, 81280), (5080, 79616), (5120, 78994), (6220, 65024), (8128, 49760), (9952, 40640), (10160, 39808), (10240, 39497), (12440, 32512), (16256, 24880), (19904, 20320)]