170450020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 391063680

約数和(自身を除く): 220613660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 211, 239, 260, 338, 422, 478, 676, 844, 845, 956, 1055, 1195, 1690, 2110, 2390, 2743, 3107, 3380, 4220, 4780, 5486, 6214, 10972, 12428, 13715, 15535, 27430, 31070, 35659, 40391, 50429, 54860, 62140, 71318, 80782, 100858, 142636, 161564, 178295, 201716, 201955, 252145, 356590, 403910, 504290, 655577, 713180, 807820, 1008580, 1311154, 2622308, 3277885, 6555770, 8522501, 13111540, 17045002, 34090004, 42612505, 85225010, 170450020]

約数ペア:

[(1, 170450020), (2, 85225010), (4, 42612505), (5, 34090004), (10, 17045002), (13, 13111540), (20, 8522501), (26, 6555770), (52, 3277885), (65, 2622308), (130, 1311154), (169, 1008580), (211, 807820), (239, 713180), (260, 655577), (338, 504290), (422, 403910), (478, 356590), (676, 252145), (844, 201955), (845, 201716), (956, 178295), (1055, 161564), (1195, 142636), (1690, 100858), (2110, 80782), (2390, 71318), (2743, 62140), (3107, 54860), (3380, 50429), (4220, 40391), (4780, 35659), (5486, 31070), (6214, 27430), (10972, 15535), (12428, 13715)]