129400900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{44621}}^1$

素因数の和:44664

約数の個数: 36

約数和(自身を含む): 290489220

約数和(自身を除く): 161088320

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 44621, 89242, 178484, 223105, 446210, 892420, 1115525, 1294009, 2231050, 2588018, 4462100, 5176036, 6470045, 12940090, 25880180, 32350225, 64700450, 129400900]

約数ペア:

[(1, 129400900), (2, 64700450), (4, 32350225), (5, 25880180), (10, 12940090), (20, 6470045), (25, 5176036), (29, 4462100), (50, 2588018), (58, 2231050), (100, 1294009), (116, 1115525), (145, 892420), (290, 446210), (580, 223105), (725, 178484), (1450, 89242), (2900, 44621)]