827648740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{128119}}^1$

素因数の和:128164

約数の個数: 48

約数和(自身を含む): 1937174400

約数和(自身を除く): 1109525660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 128119, 256238, 512476, 640595, 1281190, 2178023, 2434261, 2562380, 4356046, 4868522, 8712092, 9737044, 10890115, 12171305, 21780230, 24342610, 41382437, 43560460, 48685220, 82764874, 165529748, 206912185, 413824370, 827648740]

約数ペア:

[(1, 827648740), (2, 413824370), (4, 206912185), (5, 165529748), (10, 82764874), (17, 48685220), (19, 43560460), (20, 41382437), (34, 24342610), (38, 21780230), (68, 12171305), (76, 10890115), (85, 9737044), (95, 8712092), (170, 4868522), (190, 4356046), (323, 2562380), (340, 2434261), (380, 2178023), (646, 1281190), (1292, 640595), (1615, 512476), (3230, 256238), (6460, 128119)]