144740260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21997}}^1$

素因数の和:22060

約数の個数: 48

約数和(自身を含む): 354783744

約数和(自身を除く): 210043484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 21997, 43994, 87988, 109985, 153979, 219970, 307958, 439940, 615916, 769895, 1033859, 1539790, 2067718, 3079580, 4135436, 5169295, 7237013, 10338590, 14474026, 20677180, 28948052, 36185065, 72370130, 144740260]

約数ペア:

[(1, 144740260), (2, 72370130), (4, 36185065), (5, 28948052), (7, 20677180), (10, 14474026), (14, 10338590), (20, 7237013), (28, 5169295), (35, 4135436), (47, 3079580), (70, 2067718), (94, 1539790), (140, 1033859), (188, 769895), (235, 615916), (329, 439940), (470, 307958), (658, 219970), (940, 153979), (1316, 109985), (1645, 87988), (3290, 43994), (6580, 21997)]