519709820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{34057}}^1$

素因数の和:34182

約数の個数: 48

約数和(自身を含む): 1258783680

約数和(自身を除く): 739073860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 34057, 68114, 136228, 170285, 238399, 340570, 476798, 681140, 953596, 1191995, 2383990, 3712213, 4767980, 7424426, 14848852, 18561065, 25985491, 37122130, 51970982, 74244260, 103941964, 129927455, 259854910, 519709820]

約数ペア:

[(1, 519709820), (2, 259854910), (4, 129927455), (5, 103941964), (7, 74244260), (10, 51970982), (14, 37122130), (20, 25985491), (28, 18561065), (35, 14848852), (70, 7424426), (109, 4767980), (140, 3712213), (218, 2383990), (436, 1191995), (545, 953596), (763, 681140), (1090, 476798), (1526, 340570), (2180, 238399), (3052, 170285), (3815, 136228), (7630, 68114), (15260, 34057)]