142725220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8887}}^1$

素因数の和:8980

約数の個数: 48

約数和(自身を含む): 331486848

約数和(自身を除く): 188761628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 8887, 16060, 17774, 35548, 44435, 88870, 97757, 177740, 195514, 391028, 488785, 648751, 977570, 1297502, 1955140, 2595004, 3243755, 6487510, 7136261, 12975020, 14272522, 28545044, 35681305, 71362610, 142725220]

約数ペア:

[(1, 142725220), (2, 71362610), (4, 35681305), (5, 28545044), (10, 14272522), (11, 12975020), (20, 7136261), (22, 6487510), (44, 3243755), (55, 2595004), (73, 1955140), (110, 1297502), (146, 977570), (220, 648751), (292, 488785), (365, 391028), (730, 195514), (803, 177740), (1460, 97757), (1606, 88870), (3212, 44435), (4015, 35548), (8030, 17774), (8887, 16060)]