198147460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1415339}}^1$

素因数の和:1415355

約数の個数: 24

約数和(自身を含む): 475554240

約数和(自身を除く): 277406780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1415339, 2830678, 5661356, 7076695, 9907373, 14153390, 19814746, 28306780, 39629492, 49536865, 99073730, 198147460]

約数ペア:

[(1, 198147460), (2, 99073730), (4, 49536865), (5, 39629492), (7, 28306780), (10, 19814746), (14, 14153390), (20, 9907373), (28, 7076695), (35, 5661356), (70, 2830678), (140, 1415339)]