206540140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{607471}}^1$

素因数の和:607497

約数の個数: 24

約数和(自身を含む): 459248832

約数和(自身を除く): 252708692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 607471, 1214942, 2429884, 3037355, 6074710, 10327007, 12149420, 20654014, 41308028, 51635035, 103270070, 206540140]

約数ペア:

[(1, 206540140), (2, 103270070), (4, 51635035), (5, 41308028), (10, 20654014), (17, 12149420), (20, 10327007), (34, 6074710), (68, 3037355), (85, 2429884), (170, 1214942), (340, 607471)]