2819830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 5544000

約数和(自身を除く): 2724170

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 199, 218, 398, 545, 995, 1090, 1417, 1990, 2587, 2834, 5174, 7085, 12935, 14170, 21691, 25870, 43382, 108455, 216910, 281983, 563966, 1409915, 2819830]

約数ペア:

[(1, 2819830), (2, 1409915), (5, 563966), (10, 281983), (13, 216910), (26, 108455), (65, 43382), (109, 25870), (130, 21691), (199, 14170), (218, 12935), (398, 7085), (545, 5174), (995, 2834), (1090, 2587), (1417, 1990)]