400520560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12301}}^1$

素因数の和:12362

約数の個数: 80

約数和(自身を含む): 1043406432

約数和(自身を除く): 642885872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2960, 3256, 4070, 6512, 8140, 12301, 16280, 24602, 32560, 49204, 61505, 98408, 123010, 135311, 196816, 246020, 270622, 455137, 492040, 541244, 676555, 910274, 984080, 1082488, 1353110, 1820548, 2164976, 2275685, 2706220, 3641096, 4551370, 5006507, 5412440, 7282192, 9102740, 10013014, 10824880, 18205480, 20026028, 25032535, 36410960, 40052056, 50065070, 80104112, 100130140, 200260280, 400520560]

約数ペア:

[(1, 400520560), (2, 200260280), (4, 100130140), (5, 80104112), (8, 50065070), (10, 40052056), (11, 36410960), (16, 25032535), (20, 20026028), (22, 18205480), (37, 10824880), (40, 10013014), (44, 9102740), (55, 7282192), (74, 5412440), (80, 5006507), (88, 4551370), (110, 3641096), (148, 2706220), (176, 2275685), (185, 2164976), (220, 1820548), (296, 1353110), (370, 1082488), (407, 984080), (440, 910274), (592, 676555), (740, 541244), (814, 492040), (880, 455137), (1480, 270622), (1628, 246020), (2035, 196816), (2960, 135311), (3256, 123010), (4070, 98408), (6512, 61505), (8140, 49204), (12301, 32560), (16280, 24602)]