307545980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{129221}}^1$

素因数の和:129254

約数の個数: 48

約数和(自身を含む): 781534656

約数和(自身を除く): 473988676

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, 129221, 258442, 516884, 646105, 904547, 1292210, 1809094, 2196757, 2584420, 3618188, 4393514, 4522735, 8787028, 9045470, 10983785, 15377299, 18090940, 21967570, 30754598, 43935140, 61509196, 76886495, 153772990, 307545980]

約数ペア:

[(1, 307545980), (2, 153772990), (4, 76886495), (5, 61509196), (7, 43935140), (10, 30754598), (14, 21967570), (17, 18090940), (20, 15377299), (28, 10983785), (34, 9045470), (35, 8787028), (68, 4522735), (70, 4393514), (85, 3618188), (119, 2584420), (140, 2196757), (170, 1809094), (238, 1292210), (340, 904547), (476, 646105), (595, 516884), (1190, 258442), (2380, 129221)]