140505505

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{503}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 202051584

約数和(自身を除く): 61546079

約数列:

[1, 5, 7, 23, 35, 115, 161, 347, 503, 805, 1735, 2429, 2515, 3521, 7981, 11569, 12145, 17605, 39905, 55867, 57845, 80983, 174541, 279335, 404915, 872705, 1221787, 4014443, 6108935, 20072215, 28101101, 140505505]

約数ペア:

[(1, 140505505), (5, 28101101), (7, 20072215), (23, 6108935), (35, 4014443), (115, 1221787), (161, 872705), (347, 404915), (503, 279335), (805, 174541), (1735, 80983), (2429, 57845), (2515, 55867), (3521, 39905), (7981, 17605), (11569, 12145)]