461020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 1149120

約数和(自身を除く): 688100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 89, 140, 148, 178, 185, 259, 356, 370, 445, 518, 623, 740, 890, 1036, 1246, 1295, 1780, 2492, 2590, 3115, 3293, 5180, 6230, 6586, 12460, 13172, 16465, 23051, 32930, 46102, 65860, 92204, 115255, 230510, 461020]

約数ペア:

[(1, 461020), (2, 230510), (4, 115255), (5, 92204), (7, 65860), (10, 46102), (14, 32930), (20, 23051), (28, 16465), (35, 13172), (37, 12460), (70, 6586), (74, 6230), (89, 5180), (140, 3293), (148, 3115), (178, 2590), (185, 2492), (259, 1780), (356, 1295), (370, 1246), (445, 1036), (518, 890), (623, 740)]