53748520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 139305600

約数和(自身を除く): 85557080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1381, 1390, 1946, 2762, 2780, 3892, 4865, 5524, 5560, 6905, 7784, 9667, 9730, 11048, 13810, 19334, 19460, 27620, 38668, 38920, 48335, 55240, 77336, 96670, 191959, 193340, 383918, 386680, 767836, 959795, 1343713, 1535672, 1919590, 2687426, 3839180, 5374852, 6718565, 7678360, 10749704, 13437130, 26874260, 53748520]

約数ペア:

[(1, 53748520), (2, 26874260), (4, 13437130), (5, 10749704), (7, 7678360), (8, 6718565), (10, 5374852), (14, 3839180), (20, 2687426), (28, 1919590), (35, 1535672), (40, 1343713), (56, 959795), (70, 767836), (139, 386680), (140, 383918), (278, 193340), (280, 191959), (556, 96670), (695, 77336), (973, 55240), (1112, 48335), (1381, 38920), (1390, 38668), (1946, 27620), (2762, 19460), (2780, 19334), (3892, 13810), (4865, 11048), (5524, 9730), (5560, 9667), (6905, 7784)]