203469290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 401207040

約数和(自身を除く): 197737750

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 103, 185, 190, 206, 281, 370, 515, 562, 703, 1030, 1405, 1406, 1957, 2810, 3515, 3811, 3914, 5339, 7030, 7622, 9785, 10397, 10678, 19055, 19570, 20794, 26695, 28943, 38110, 51985, 53390, 57886, 72409, 103970, 144715, 144818, 197543, 289430, 362045, 395086, 549917, 724090, 987715, 1070891, 1099834, 1975430, 2141782, 2749585, 5354455, 5499170, 10708910, 20346929, 40693858, 101734645, 203469290]

約数ペア:

[(1, 203469290), (2, 101734645), (5, 40693858), (10, 20346929), (19, 10708910), (37, 5499170), (38, 5354455), (74, 2749585), (95, 2141782), (103, 1975430), (185, 1099834), (190, 1070891), (206, 987715), (281, 724090), (370, 549917), (515, 395086), (562, 362045), (703, 289430), (1030, 197543), (1405, 144818), (1406, 144715), (1957, 103970), (2810, 72409), (3515, 57886), (3811, 53390), (3914, 51985), (5339, 38110), (7030, 28943), (7622, 26695), (9785, 20794), (10397, 19570), (10678, 19055)]