1243404820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{522439}}^1$

素因数の和:522472

約数の個数: 48

約数和(自身を含む): 3159717120

約数和(自身を除く): 1916312300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 522439, 1044878, 2089756, 2612195, 3657073, 5224390, 7314146, 8881463, 10448780, 14628292, 17762926, 18285365, 35525852, 36570730, 44407315, 62170241, 73141460, 88814630, 124340482, 177629260, 248680964, 310851205, 621702410, 1243404820]

約数ペア:

[(1, 1243404820), (2, 621702410), (4, 310851205), (5, 248680964), (7, 177629260), (10, 124340482), (14, 88814630), (17, 73141460), (20, 62170241), (28, 44407315), (34, 36570730), (35, 35525852), (68, 18285365), (70, 17762926), (85, 14628292), (119, 10448780), (140, 8881463), (170, 7314146), (238, 5224390), (340, 3657073), (476, 2612195), (595, 2089756), (1190, 1044878), (2380, 522439)]