80521700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{16433}}^1$

素因数の和:16461

約数の個数: 54

約数和(自身を含む): 203272146

約数和(自身を除く): 122750446

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 16433, 32866, 65732, 82165, 115031, 164330, 230062, 328660, 410825, 460124, 575155, 805217, 821650, 1150310, 1610434, 1643300, 2300620, 2875775, 3220868, 4026085, 5751550, 8052170, 11503100, 16104340, 20130425, 40260850, 80521700]

約数ペア:

[(1, 80521700), (2, 40260850), (4, 20130425), (5, 16104340), (7, 11503100), (10, 8052170), (14, 5751550), (20, 4026085), (25, 3220868), (28, 2875775), (35, 2300620), (49, 1643300), (50, 1610434), (70, 1150310), (98, 821650), (100, 805217), (140, 575155), (175, 460124), (196, 410825), (245, 328660), (350, 230062), (490, 164330), (700, 115031), (980, 82165), (1225, 65732), (2450, 32866), (4900, 16433)]