131039510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 283392000

約数和(自身を除く): 152352490

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 199, 230, 322, 398, 409, 805, 818, 995, 1393, 1610, 1990, 2045, 2786, 2863, 4090, 4577, 5726, 6965, 9154, 9407, 13930, 14315, 18814, 22885, 28630, 32039, 45770, 47035, 64078, 65849, 81391, 94070, 131698, 160195, 162782, 320390, 329245, 406955, 569737, 658490, 813910, 1139474, 1871993, 2848685, 3743986, 5697370, 9359965, 13103951, 18719930, 26207902, 65519755, 131039510]

約数ペア:

[(1, 131039510), (2, 65519755), (5, 26207902), (7, 18719930), (10, 13103951), (14, 9359965), (23, 5697370), (35, 3743986), (46, 2848685), (70, 1871993), (115, 1139474), (161, 813910), (199, 658490), (230, 569737), (322, 406955), (398, 329245), (409, 320390), (805, 162782), (818, 160195), (995, 131698), (1393, 94070), (1610, 81391), (1990, 65849), (2045, 64078), (2786, 47035), (2863, 45770), (4090, 32039), (4577, 28630), (5726, 22885), (6965, 18814), (9154, 14315), (9407, 13930)]