690408

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 1921920

約数和(自身を除く): 1231512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 223, 258, 344, 387, 446, 516, 669, 774, 892, 1032, 1338, 1548, 1784, 2007, 2676, 3096, 4014, 5352, 8028, 9589, 16056, 19178, 28767, 38356, 57534, 76712, 86301, 115068, 172602, 230136, 345204, 690408]

約数ペア:

[(1, 690408), (2, 345204), (3, 230136), (4, 172602), (6, 115068), (8, 86301), (9, 76712), (12, 57534), (18, 38356), (24, 28767), (36, 19178), (43, 16056), (72, 9589), (86, 8028), (129, 5352), (172, 4014), (223, 3096), (258, 2676), (344, 2007), (387, 1784), (446, 1548), (516, 1338), (669, 1032), (774, 892)]