31694740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1871}}^1$

素因数の和:1909

約数の個数: 72

約数和(自身を含む): 83655936

約数和(自身を除く): 51961196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 1871, 2420, 3388, 3742, 4235, 7484, 8470, 9355, 13097, 16940, 18710, 20581, 26194, 37420, 41162, 52388, 65485, 82324, 102905, 130970, 144067, 205810, 226391, 261940, 288134, 411620, 452782, 576268, 720335, 905564, 1131955, 1440670, 1584737, 2263910, 2881340, 3169474, 4527820, 6338948, 7923685, 15847370, 31694740]

約数ペア:

[(1, 31694740), (2, 15847370), (4, 7923685), (5, 6338948), (7, 4527820), (10, 3169474), (11, 2881340), (14, 2263910), (20, 1584737), (22, 1440670), (28, 1131955), (35, 905564), (44, 720335), (55, 576268), (70, 452782), (77, 411620), (110, 288134), (121, 261940), (140, 226391), (154, 205810), (220, 144067), (242, 130970), (308, 102905), (385, 82324), (484, 65485), (605, 52388), (770, 41162), (847, 37420), (1210, 26194), (1540, 20581), (1694, 18710), (1871, 16940), (2420, 13097), (3388, 9355), (3742, 8470), (4235, 7484)]