90722800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{32401}}^1$

素因数の和:32426

約数の個数: 60

約数和(自身を含む): 249106576

約数和(自身を除く): 158383776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 32401, 64802, 129604, 162005, 226807, 259208, 324010, 453614, 518416, 648020, 810025, 907228, 1134035, 1296040, 1620050, 1814456, 2268070, 2592080, 3240100, 3628912, 4536140, 5670175, 6480200, 9072280, 11340350, 12960400, 18144560, 22680700, 45361400, 90722800]

約数ペア:

[(1, 90722800), (2, 45361400), (4, 22680700), (5, 18144560), (7, 12960400), (8, 11340350), (10, 9072280), (14, 6480200), (16, 5670175), (20, 4536140), (25, 3628912), (28, 3240100), (35, 2592080), (40, 2268070), (50, 1814456), (56, 1620050), (70, 1296040), (80, 1134035), (100, 907228), (112, 810025), (140, 648020), (175, 518416), (200, 453614), (280, 324010), (350, 259208), (400, 226807), (560, 162005), (700, 129604), (1400, 64802), (2800, 32401)]