31810940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11959}}^1$

素因数の和:11994

約数の個数: 48

約数和(自身を含む): 80371200

約数和(自身を除く): 48560260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 11959, 23918, 47836, 59795, 83713, 119590, 167426, 227221, 239180, 334852, 418565, 454442, 837130, 908884, 1136105, 1590547, 1674260, 2272210, 3181094, 4544420, 6362188, 7952735, 15905470, 31810940]

約数ペア:

[(1, 31810940), (2, 15905470), (4, 7952735), (5, 6362188), (7, 4544420), (10, 3181094), (14, 2272210), (19, 1674260), (20, 1590547), (28, 1136105), (35, 908884), (38, 837130), (70, 454442), (76, 418565), (95, 334852), (133, 239180), (140, 227221), (190, 167426), (266, 119590), (380, 83713), (532, 59795), (665, 47836), (1330, 23918), (2660, 11959)]