203555210

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 370800720

約数和(自身を除く): 167245510

約数列:

[1, 2, 5, 10, 157, 314, 317, 409, 634, 785, 818, 1570, 1585, 2045, 3170, 4090, 49769, 64213, 99538, 128426, 129653, 248845, 259306, 321065, 497690, 642130, 648265, 1296530, 20355521, 40711042, 101777605, 203555210]

約数ペア:

[(1, 203555210), (2, 101777605), (5, 40711042), (10, 20355521), (157, 1296530), (314, 648265), (317, 642130), (409, 497690), (634, 321065), (785, 259306), (818, 248845), (1570, 129653), (1585, 128426), (2045, 99538), (3170, 64213), (4090, 49769)]