261567220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1\times {\mathrm{601}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 563125248

約数和(自身を除く): 301558028

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 463, 470, 601, 926, 940, 1202, 1852, 2315, 2404, 3005, 4630, 6010, 9260, 12020, 21761, 28247, 43522, 56494, 87044, 108805, 112988, 141235, 217610, 278263, 282470, 435220, 556526, 564940, 1113052, 1391315, 2782630, 5565260, 13078361, 26156722, 52313444, 65391805, 130783610, 261567220]

約数ペア:

[(1, 261567220), (2, 130783610), (4, 65391805), (5, 52313444), (10, 26156722), (20, 13078361), (47, 5565260), (94, 2782630), (188, 1391315), (235, 1113052), (463, 564940), (470, 556526), (601, 435220), (926, 282470), (940, 278263), (1202, 217610), (1852, 141235), (2315, 112988), (2404, 108805), (3005, 87044), (4630, 56494), (6010, 43522), (9260, 28247), (12020, 21761)]