1315208020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1342049}}^1$

素因数の和:1342072

約数の個数: 36

約数和(自身を含む): 3212867700

約数和(自身を除く): 1897659680

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1342049, 2684098, 5368196, 6710245, 9394343, 13420490, 18788686, 26840980, 37577372, 46971715, 65760401, 93943430, 131520802, 187886860, 263041604, 328802005, 657604010, 1315208020]

約数ペア:

[(1, 1315208020), (2, 657604010), (4, 328802005), (5, 263041604), (7, 187886860), (10, 131520802), (14, 93943430), (20, 65760401), (28, 46971715), (35, 37577372), (49, 26840980), (70, 18788686), (98, 13420490), (140, 9394343), (196, 6710245), (245, 5368196), (490, 2684098), (980, 1342049)]