219453650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10891}}^1$

素因数の和:10947

約数の個数: 48

約数和(自身を含む): 453804288

約数和(自身を除く): 234350638

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 10891, 20150, 21782, 54455, 108910, 141583, 272275, 283166, 337621, 544550, 675242, 707915, 1415830, 1688105, 3376210, 3539575, 4389073, 7079150, 8440525, 8778146, 16881050, 21945365, 43890730, 109726825, 219453650]

約数ペア:

[(1, 219453650), (2, 109726825), (5, 43890730), (10, 21945365), (13, 16881050), (25, 8778146), (26, 8440525), (31, 7079150), (50, 4389073), (62, 3539575), (65, 3376210), (130, 1688105), (155, 1415830), (310, 707915), (325, 675242), (403, 544550), (650, 337621), (775, 283166), (806, 272275), (1550, 141583), (2015, 108910), (4030, 54455), (10075, 21782), (10891, 20150)]