199974700

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{10151}}^1$

素因数の和:10362

約数の個数: 36

約数和(自身を含む): 436190832

約数和(自身を除く): 236216132

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4925, 9850, 10151, 19700, 20302, 40604, 50755, 101510, 203020, 253775, 507550, 1015100, 1999747, 3999494, 7998988, 9998735, 19997470, 39994940, 49993675, 99987350, 199974700]

約数ペア:

[(1, 199974700), (2, 99987350), (4, 49993675), (5, 39994940), (10, 19997470), (20, 9998735), (25, 7998988), (50, 3999494), (100, 1999747), (197, 1015100), (394, 507550), (788, 253775), (985, 203020), (1970, 101510), (3940, 50755), (4925, 40604), (9850, 20302), (10151, 19700)]