2900720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 6829920

約数和(自身を除く): 3929200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 359, 404, 505, 718, 808, 1010, 1436, 1616, 1795, 2020, 2872, 3590, 4040, 5744, 7180, 8080, 14360, 28720, 36259, 72518, 145036, 181295, 290072, 362590, 580144, 725180, 1450360, 2900720]

約数ペア:

[(1, 2900720), (2, 1450360), (4, 725180), (5, 580144), (8, 362590), (10, 290072), (16, 181295), (20, 145036), (40, 72518), (80, 36259), (101, 28720), (202, 14360), (359, 8080), (404, 7180), (505, 5744), (718, 4040), (808, 3590), (1010, 2872), (1436, 2020), (1616, 1795)]