201249860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205357}}^1$

素因数の和:205380

約数の個数: 36

約数和(自身を含む): 491627052

約数和(自身を除く): 290377192

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205357, 410714, 821428, 1026785, 1437499, 2053570, 2874998, 4107140, 5749996, 7187495, 10062493, 14374990, 20124986, 28749980, 40249972, 50312465, 100624930, 201249860]

約数ペア:

[(1, 201249860), (2, 100624930), (4, 50312465), (5, 40249972), (7, 28749980), (10, 20124986), (14, 14374990), (20, 10062493), (28, 7187495), (35, 5749996), (49, 4107140), (70, 2874998), (98, 2053570), (140, 1437499), (196, 1026785), (245, 821428), (490, 410714), (980, 205357)]