495093080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{202907}}^1$

素因数の和:202979

約数の個数: 32

約数和(自身を含む): 1132226640

約数和(自身を除く): 637133560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 202907, 405814, 811628, 1014535, 1623256, 2029070, 4058140, 8116280, 12377327, 24754654, 49509308, 61886635, 99018616, 123773270, 247546540, 495093080]

約数ペア:

[(1, 495093080), (2, 247546540), (4, 123773270), (5, 99018616), (8, 61886635), (10, 49509308), (20, 24754654), (40, 12377327), (61, 8116280), (122, 4058140), (244, 2029070), (305, 1623256), (488, 1014535), (610, 811628), (1220, 405814), (2440, 202907)]