217426160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2473}}^1$

素因数の和:2650

約数の個数: 80

約数和(自身を含む): 581647296

約数和(自身を除く): 364221136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2198, 2473, 2512, 3140, 4396, 4946, 5495, 6280, 8792, 9892, 10990, 12365, 12560, 17311, 17584, 19784, 21980, 24730, 34622, 39568, 43960, 49460, 69244, 86555, 87920, 98920, 138488, 173110, 197840, 276976, 346220, 388261, 692440, 776522, 1384880, 1553044, 1941305, 2717827, 3106088, 3882610, 5435654, 6212176, 7765220, 10871308, 13589135, 15530440, 21742616, 27178270, 31060880, 43485232, 54356540, 108713080, 217426160]

約数ペア:

[(1, 217426160), (2, 108713080), (4, 54356540), (5, 43485232), (7, 31060880), (8, 27178270), (10, 21742616), (14, 15530440), (16, 13589135), (20, 10871308), (28, 7765220), (35, 6212176), (40, 5435654), (56, 3882610), (70, 3106088), (80, 2717827), (112, 1941305), (140, 1553044), (157, 1384880), (280, 776522), (314, 692440), (560, 388261), (628, 346220), (785, 276976), (1099, 197840), (1256, 173110), (1570, 138488), (2198, 98920), (2473, 87920), (2512, 86555), (3140, 69244), (4396, 49460), (4946, 43960), (5495, 39568), (6280, 34622), (8792, 24730), (9892, 21980), (10990, 19784), (12365, 17584), (12560, 17311)]