393979380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139709}}^1$

素因数の和:139768

約数の個数: 48

約数和(自身を含む): 1126621440

約数和(自身を除く): 732642060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 139709, 279418, 419127, 558836, 698545, 838254, 1397090, 1676508, 2095635, 2794180, 4191270, 6566323, 8382540, 13132646, 19698969, 26265292, 32831615, 39397938, 65663230, 78795876, 98494845, 131326460, 196989690, 393979380]

約数ペア:

[(1, 393979380), (2, 196989690), (3, 131326460), (4, 98494845), (5, 78795876), (6, 65663230), (10, 39397938), (12, 32831615), (15, 26265292), (20, 19698969), (30, 13132646), (47, 8382540), (60, 6566323), (94, 4191270), (141, 2794180), (188, 2095635), (235, 1676508), (282, 1397090), (470, 838254), (564, 698545), (705, 558836), (940, 419127), (1410, 279418), (2820, 139709)]