189800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 481740

約数和(自身を除く): 291940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 73, 100, 104, 130, 146, 200, 260, 292, 325, 365, 520, 584, 650, 730, 949, 1300, 1460, 1825, 1898, 2600, 2920, 3650, 3796, 4745, 7300, 7592, 9490, 14600, 18980, 23725, 37960, 47450, 94900, 189800]

約数ペア:

[(1, 189800), (2, 94900), (4, 47450), (5, 37960), (8, 23725), (10, 18980), (13, 14600), (20, 9490), (25, 7592), (26, 7300), (40, 4745), (50, 3796), (52, 3650), (65, 2920), (73, 2600), (100, 1898), (104, 1825), (130, 1460), (146, 1300), (200, 949), (260, 730), (292, 650), (325, 584), (365, 520)]