139204940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{994321}}^1$

素因数の和:994337

約数の個数: 24

約数和(自身を含む): 334092192

約数和(自身を除く): 194887252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 994321, 1988642, 3977284, 4971605, 6960247, 9943210, 13920494, 19886420, 27840988, 34801235, 69602470, 139204940]

約数ペア:

[(1, 139204940), (2, 69602470), (4, 34801235), (5, 27840988), (7, 19886420), (10, 13920494), (14, 9943210), (20, 6960247), (28, 4971605), (35, 3977284), (70, 1988642), (140, 994321)]