199921970

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{2897}}^1$

素因数の和:3074

約数の個数: 32

約数和(自身を含む): 368903808

約数和(自身を除く): 168981838

約数列:

[1, 2, 5, 10, 67, 103, 134, 206, 335, 515, 670, 1030, 2897, 5794, 6901, 13802, 14485, 28970, 34505, 69010, 194099, 298391, 388198, 596782, 970495, 1491955, 1940990, 2983910, 19992197, 39984394, 99960985, 199921970]

約数ペア:

[(1, 199921970), (2, 99960985), (5, 39984394), (10, 19992197), (67, 2983910), (103, 1940990), (134, 1491955), (206, 970495), (335, 596782), (515, 388198), (670, 298391), (1030, 194099), (2897, 69010), (5794, 34505), (6901, 28970), (13802, 14485)]