200630450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{129439}}^1$

素因数の和:129482

約数の個数: 24

約数和(自身を含む): 385213440

約数和(自身を除く): 184582990

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 129439, 258878, 647195, 1294390, 3235975, 4012609, 6471950, 8025218, 20063045, 40126090, 100315225, 200630450]

約数ペア:

[(1, 200630450), (2, 100315225), (5, 40126090), (10, 20063045), (25, 8025218), (31, 6471950), (50, 4012609), (62, 3235975), (155, 1294390), (310, 647195), (775, 258878), (1550, 129439)]