240340538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 387504000

約数和(自身を除く): 147163462

約数列:

[1, 2, 19, 38, 71, 142, 229, 389, 458, 778, 1349, 2698, 4351, 7391, 8702, 14782, 16259, 27619, 32518, 55238, 89081, 178162, 308921, 524761, 617842, 1049522, 1692539, 3385078, 6324751, 12649502, 120170269, 240340538]

約数ペア:

[(1, 240340538), (2, 120170269), (19, 12649502), (38, 6324751), (71, 3385078), (142, 1692539), (229, 1049522), (389, 617842), (458, 524761), (778, 308921), (1349, 178162), (2698, 89081), (4351, 55238), (7391, 32518), (8702, 27619), (14782, 16259)]