345340940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{19423}}^1$

素因数の和:19566

約数の個数: 48

約数和(自身を含む): 835387392

約数和(自身を除く): 490046452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 17780, 19423, 38846, 77692, 97115, 135961, 194230, 271922, 388460, 543844, 679805, 1359610, 2466721, 2719220, 4933442, 9866884, 12333605, 17267047, 24667210, 34534094, 49334420, 69068188, 86335235, 172670470, 345340940]

約数ペア:

[(1, 345340940), (2, 172670470), (4, 86335235), (5, 69068188), (7, 49334420), (10, 34534094), (14, 24667210), (20, 17267047), (28, 12333605), (35, 9866884), (70, 4933442), (127, 2719220), (140, 2466721), (254, 1359610), (508, 679805), (635, 543844), (889, 388460), (1270, 271922), (1778, 194230), (2540, 135961), (3556, 97115), (4445, 77692), (8890, 38846), (17780, 19423)]