245725690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{8221}}^1$

素因数の和:8303

約数の個数: 48

約数和(自身を含む): 523017864

約数和(自身を除く): 277292174

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 2135, 2989, 4270, 5978, 8221, 14945, 16442, 29890, 41105, 57547, 82210, 115094, 287735, 402829, 501481, 575470, 805658, 1002962, 2014145, 2507405, 3510367, 4028290, 5014810, 7020734, 17551835, 24572569, 35103670, 49145138, 122862845, 245725690]

約数ペア:

[(1, 245725690), (2, 122862845), (5, 49145138), (7, 35103670), (10, 24572569), (14, 17551835), (35, 7020734), (49, 5014810), (61, 4028290), (70, 3510367), (98, 2507405), (122, 2014145), (245, 1002962), (305, 805658), (427, 575470), (490, 501481), (610, 402829), (854, 287735), (2135, 115094), (2989, 82210), (4270, 57547), (5978, 41105), (8221, 29890), (14945, 16442)]