208858820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{673}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 448398720

約数和(自身を除く): 239539900

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 263, 295, 526, 590, 673, 1052, 1180, 1315, 1346, 2630, 2692, 3365, 5260, 6730, 13460, 15517, 31034, 39707, 62068, 77585, 79414, 155170, 158828, 176999, 198535, 310340, 353998, 397070, 707996, 794140, 884995, 1769990, 3539980, 10442941, 20885882, 41771764, 52214705, 104429410, 208858820]

約数ペア:

[(1, 208858820), (2, 104429410), (4, 52214705), (5, 41771764), (10, 20885882), (20, 10442941), (59, 3539980), (118, 1769990), (236, 884995), (263, 794140), (295, 707996), (526, 397070), (590, 353998), (673, 310340), (1052, 198535), (1180, 176999), (1315, 158828), (1346, 155170), (2630, 79414), (2692, 77585), (3365, 62068), (5260, 39707), (6730, 31034), (13460, 15517)]