898280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 2141640

約数和(自身を除く): 1243360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1321, 2642, 5284, 6605, 10568, 13210, 22457, 26420, 44914, 52840, 89828, 112285, 179656, 224570, 449140, 898280]

約数ペア:

[(1, 898280), (2, 449140), (4, 224570), (5, 179656), (8, 112285), (10, 89828), (17, 52840), (20, 44914), (34, 26420), (40, 22457), (68, 13210), (85, 10568), (136, 6605), (170, 5284), (340, 2642), (680, 1321)]