190090040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1693}}^1$

素因数の和:2112

約数の個数: 64

約数和(自身を含む): 490311360

約数和(自身を除く): 300221320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 401, 802, 1604, 1693, 2005, 2807, 3208, 3386, 4010, 5614, 6772, 8020, 8465, 11228, 11851, 13544, 14035, 16040, 16930, 22456, 23702, 28070, 33860, 47404, 56140, 59255, 67720, 94808, 112280, 118510, 237020, 474040, 678893, 1357786, 2715572, 3394465, 4752251, 5431144, 6788930, 9504502, 13577860, 19009004, 23761255, 27155720, 38018008, 47522510, 95045020, 190090040]

約数ペア:

[(1, 190090040), (2, 95045020), (4, 47522510), (5, 38018008), (7, 27155720), (8, 23761255), (10, 19009004), (14, 13577860), (20, 9504502), (28, 6788930), (35, 5431144), (40, 4752251), (56, 3394465), (70, 2715572), (140, 1357786), (280, 678893), (401, 474040), (802, 237020), (1604, 118510), (1693, 112280), (2005, 94808), (2807, 67720), (3208, 59255), (3386, 56140), (4010, 47404), (5614, 33860), (6772, 28070), (8020, 23702), (8465, 22456), (11228, 16930), (11851, 16040), (13544, 14035)]