172506460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1709}}^1$

素因数の和:1835

約数の個数: 72

約数和(自身を含む): 425748960

約数和(自身を除く): 253242500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 1709, 2060, 2884, 3418, 3605, 5047, 6836, 7210, 8545, 10094, 11963, 14420, 17090, 20188, 23926, 25235, 34180, 47852, 50470, 59815, 83741, 100940, 119630, 167482, 176027, 239260, 334964, 352054, 418705, 704108, 837410, 880135, 1232189, 1674820, 1760270, 2464378, 3520540, 4928756, 6160945, 8625323, 12321890, 17250646, 24643780, 34501292, 43126615, 86253230, 172506460]

約数ペア:

[(1, 172506460), (2, 86253230), (4, 43126615), (5, 34501292), (7, 24643780), (10, 17250646), (14, 12321890), (20, 8625323), (28, 6160945), (35, 4928756), (49, 3520540), (70, 2464378), (98, 1760270), (103, 1674820), (140, 1232189), (196, 880135), (206, 837410), (245, 704108), (412, 418705), (490, 352054), (515, 334964), (721, 239260), (980, 176027), (1030, 167482), (1442, 119630), (1709, 100940), (2060, 83741), (2884, 59815), (3418, 50470), (3605, 47852), (5047, 34180), (6836, 25235), (7210, 23926), (8545, 20188), (10094, 17090), (11963, 14420)]