1282690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 2502720

約数和(自身を除く): 1220030

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 157, 190, 215, 314, 430, 785, 817, 1570, 1634, 2983, 4085, 5966, 6751, 8170, 13502, 14915, 29830, 33755, 67510, 128269, 256538, 641345, 1282690]

約数ペア:

[(1, 1282690), (2, 641345), (5, 256538), (10, 128269), (19, 67510), (38, 33755), (43, 29830), (86, 14915), (95, 13502), (157, 8170), (190, 6751), (215, 5966), (314, 4085), (430, 2983), (785, 1634), (817, 1570)]