173677180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 370782720

約数和(自身を除く): 197105540

約数列:

[1, 2, 4, 5, 10, 20, 131, 151, 262, 302, 439, 524, 604, 655, 755, 878, 1310, 1510, 1756, 2195, 2620, 3020, 4390, 8780, 19781, 39562, 57509, 66289, 79124, 98905, 115018, 132578, 197810, 230036, 265156, 287545, 331445, 395620, 575090, 662890, 1150180, 1325780, 8683859, 17367718, 34735436, 43419295, 86838590, 173677180]

約数ペア:

[(1, 173677180), (2, 86838590), (4, 43419295), (5, 34735436), (10, 17367718), (20, 8683859), (131, 1325780), (151, 1150180), (262, 662890), (302, 575090), (439, 395620), (524, 331445), (604, 287545), (655, 265156), (755, 230036), (878, 197810), (1310, 132578), (1510, 115018), (1756, 98905), (2195, 79124), (2620, 66289), (3020, 57509), (4390, 39562), (8780, 19781)]