2919020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 6726720

約数和(自身を除く): 3807700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 109, 130, 206, 218, 260, 412, 436, 515, 545, 1030, 1090, 1339, 1417, 2060, 2180, 2678, 2834, 5356, 5668, 6695, 7085, 11227, 13390, 14170, 22454, 26780, 28340, 44908, 56135, 112270, 145951, 224540, 291902, 583804, 729755, 1459510, 2919020]

約数ペア:

[(1, 2919020), (2, 1459510), (4, 729755), (5, 583804), (10, 291902), (13, 224540), (20, 145951), (26, 112270), (52, 56135), (65, 44908), (103, 28340), (109, 26780), (130, 22454), (206, 14170), (218, 13390), (260, 11227), (412, 7085), (436, 6695), (515, 5668), (545, 5356), (1030, 2834), (1090, 2678), (1339, 2180), (1417, 2060)]