1330398020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1357549}}^1$

素因数の和:1357572

約数の個数: 36

約数和(自身を含む): 3249974700

約数和(自身を除く): 1919576680

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1357549, 2715098, 5430196, 6787745, 9502843, 13575490, 19005686, 27150980, 38011372, 47514215, 66519901, 95028430, 133039802, 190056860, 266079604, 332599505, 665199010, 1330398020]

約数ペア:

[(1, 1330398020), (2, 665199010), (4, 332599505), (5, 266079604), (7, 190056860), (10, 133039802), (14, 95028430), (20, 66519901), (28, 47514215), (35, 38011372), (49, 27150980), (70, 19005686), (98, 13575490), (140, 9502843), (196, 6787745), (245, 5430196), (490, 2715098), (980, 1357549)]