179622820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1277}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 407293488

約数和(自身を除く): 227670668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 541, 1082, 1277, 2164, 2554, 2705, 5108, 5410, 6385, 7033, 10820, 12770, 14066, 16601, 25540, 28132, 33202, 35165, 66404, 70330, 83005, 140660, 166010, 332020, 690857, 1381714, 2763428, 3454285, 6908570, 8981141, 13817140, 17962282, 35924564, 44905705, 89811410, 179622820]

約数ペア:

[(1, 179622820), (2, 89811410), (4, 44905705), (5, 35924564), (10, 17962282), (13, 13817140), (20, 8981141), (26, 6908570), (52, 3454285), (65, 2763428), (130, 1381714), (260, 690857), (541, 332020), (1082, 166010), (1277, 140660), (2164, 83005), (2554, 70330), (2705, 66404), (5108, 35165), (5410, 33202), (6385, 28132), (7033, 25540), (10820, 16601), (12770, 14066)]