1815674740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{358829}}^1$

素因数の和:358872

約数の個数: 48

約数和(自身を含む): 4340407680

約数和(自身を除く): 2524732940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 358829, 717658, 1435316, 1794145, 3588290, 3947119, 7176580, 7894238, 8253067, 15788476, 16506134, 19735595, 33012268, 39471190, 41265335, 78942380, 82530670, 90783737, 165061340, 181567474, 363134948, 453918685, 907837370, 1815674740]

約数ペア:

[(1, 1815674740), (2, 907837370), (4, 453918685), (5, 363134948), (10, 181567474), (11, 165061340), (20, 90783737), (22, 82530670), (23, 78942380), (44, 41265335), (46, 39471190), (55, 33012268), (92, 19735595), (110, 16506134), (115, 15788476), (220, 8253067), (230, 7894238), (253, 7176580), (460, 3947119), (506, 3588290), (1012, 1794145), (1265, 1435316), (2530, 717658), (5060, 358829)]