7204940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21191}}^1$

素因数の和:21217

約数の個数: 24

約数和(自身を含む): 16021152

約数和(自身を除く): 8816212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21191, 42382, 84764, 105955, 211910, 360247, 423820, 720494, 1440988, 1801235, 3602470, 7204940]

約数ペア:

[(1, 7204940), (2, 3602470), (4, 1801235), (5, 1440988), (10, 720494), (17, 423820), (20, 360247), (34, 211910), (68, 105955), (85, 84764), (170, 42382), (340, 21191)]