69331640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{247613}}^1$

素因数の和:247631

約数の個数: 32

約数和(自身を含む): 178282080

約数和(自身を除く): 108950440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 247613, 495226, 990452, 1238065, 1733291, 1980904, 2476130, 3466582, 4952260, 6933164, 8666455, 9904520, 13866328, 17332910, 34665820, 69331640]

約数ペア:

[(1, 69331640), (2, 34665820), (4, 17332910), (5, 13866328), (7, 9904520), (8, 8666455), (10, 6933164), (14, 4952260), (20, 3466582), (28, 2476130), (35, 1980904), (40, 1733291), (56, 1238065), (70, 990452), (140, 495226), (280, 247613)]