320423684

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{8521}}^1$

素因数の和:8628

約数の個数: 48

約数和(自身を含む): 687214080

約数和(自身を除く): 366790396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 79, 119, 158, 238, 316, 476, 553, 1106, 1343, 2212, 2686, 5372, 8521, 9401, 17042, 18802, 34084, 37604, 59647, 119294, 144857, 238588, 289714, 579428, 673159, 1013999, 1346318, 2027998, 2692636, 4055996, 4712113, 9424226, 11443703, 18848452, 22887406, 45774812, 80105921, 160211842, 320423684]

約数ペア:

[(1, 320423684), (2, 160211842), (4, 80105921), (7, 45774812), (14, 22887406), (17, 18848452), (28, 11443703), (34, 9424226), (68, 4712113), (79, 4055996), (119, 2692636), (158, 2027998), (238, 1346318), (316, 1013999), (476, 673159), (553, 579428), (1106, 289714), (1343, 238588), (2212, 144857), (2686, 119294), (5372, 59647), (8521, 37604), (9401, 34084), (17042, 18802)]