7397740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 18107712

約数和(自身を除く): 10709972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 997, 1060, 1484, 1855, 1994, 3710, 3988, 4985, 6979, 7420, 9970, 13958, 19940, 27916, 34895, 52841, 69790, 105682, 139580, 211364, 264205, 369887, 528410, 739774, 1056820, 1479548, 1849435, 3698870, 7397740]

約数ペア:

[(1, 7397740), (2, 3698870), (4, 1849435), (5, 1479548), (7, 1056820), (10, 739774), (14, 528410), (20, 369887), (28, 264205), (35, 211364), (53, 139580), (70, 105682), (106, 69790), (140, 52841), (212, 34895), (265, 27916), (371, 19940), (530, 13958), (742, 9970), (997, 7420), (1060, 6979), (1484, 4985), (1855, 3988), (1994, 3710)]