209329127980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{213601151}}^1$

素因数の和:213601174

約数の個数: 36

約数和(自身を含む): 511361157888

約数和(自身を除く): 302032029908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 213601151, 427202302, 854404604, 1068005755, 1495208057, 2136011510, 2990416114, 4272023020, 5980832228, 7476040285, 10466456399, 14952080570, 20932912798, 29904161140, 41865825596, 52332281995, 104664563990, 209329127980]

約数ペア:

[(1, 209329127980), (2, 104664563990), (4, 52332281995), (5, 41865825596), (7, 29904161140), (10, 20932912798), (14, 14952080570), (20, 10466456399), (28, 7476040285), (35, 5980832228), (49, 4272023020), (70, 2990416114), (98, 2136011510), (140, 1495208057), (196, 1068005755), (245, 854404604), (490, 427202302), (980, 213601151)]