6400100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 16332288

約数和(自身を除く): 9932188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 223, 287, 350, 410, 446, 574, 700, 820, 892, 1025, 1115, 1148, 1435, 1561, 2050, 2230, 2870, 3122, 4100, 4460, 5575, 5740, 6244, 7175, 7805, 9143, 11150, 14350, 15610, 18286, 22300, 28700, 31220, 36572, 39025, 45715, 64001, 78050, 91430, 128002, 156100, 182860, 228575, 256004, 320005, 457150, 640010, 914300, 1280020, 1600025, 3200050, 6400100]

約数ペア:

[(1, 6400100), (2, 3200050), (4, 1600025), (5, 1280020), (7, 914300), (10, 640010), (14, 457150), (20, 320005), (25, 256004), (28, 228575), (35, 182860), (41, 156100), (50, 128002), (70, 91430), (82, 78050), (100, 64001), (140, 45715), (164, 39025), (175, 36572), (205, 31220), (223, 28700), (287, 22300), (350, 18286), (410, 15610), (446, 14350), (574, 11150), (700, 9143), (820, 7805), (892, 7175), (1025, 6244), (1115, 5740), (1148, 5575), (1435, 4460), (1561, 4100), (2050, 3122), (2230, 2870)]