199143420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{474151}}^1$

素因数の和:474170

約数の個数: 48

約数和(自身を含む): 637260288

約数和(自身を除く): 438116868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 474151, 948302, 1422453, 1896604, 2370755, 2844906, 3319057, 4741510, 5689812, 6638114, 7112265, 9483020, 9957171, 13276228, 14224530, 16595285, 19914342, 28449060, 33190570, 39828684, 49785855, 66381140, 99571710, 199143420]

約数ペア:

[(1, 199143420), (2, 99571710), (3, 66381140), (4, 49785855), (5, 39828684), (6, 33190570), (7, 28449060), (10, 19914342), (12, 16595285), (14, 14224530), (15, 13276228), (20, 9957171), (21, 9483020), (28, 7112265), (30, 6638114), (35, 5689812), (42, 4741510), (60, 3319057), (70, 2844906), (84, 2370755), (105, 1896604), (140, 1422453), (210, 948302), (420, 474151)]