339667780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1\times {\mathrm{887}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 733090176

約数和(自身を除く): 393422396

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 467, 820, 887, 934, 1774, 1868, 2335, 3548, 4435, 4670, 8870, 9340, 17740, 19147, 36367, 38294, 72734, 76588, 95735, 145468, 181835, 191470, 363670, 382940, 414229, 727340, 828458, 1656916, 2071145, 4142290, 8284580, 16983389, 33966778, 67933556, 84916945, 169833890, 339667780]

約数ペア:

[(1, 339667780), (2, 169833890), (4, 84916945), (5, 67933556), (10, 33966778), (20, 16983389), (41, 8284580), (82, 4142290), (164, 2071145), (205, 1656916), (410, 828458), (467, 727340), (820, 414229), (887, 382940), (934, 363670), (1774, 191470), (1868, 181835), (2335, 145468), (3548, 95735), (4435, 76588), (4670, 72734), (8870, 38294), (9340, 36367), (17740, 19147)]