9887860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 21659904

約数和(自身を除く): 11772044

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 157, 188, 235, 268, 314, 335, 470, 628, 670, 785, 940, 1340, 1570, 3140, 3149, 6298, 7379, 10519, 12596, 14758, 15745, 21038, 29516, 31490, 36895, 42076, 52595, 62980, 73790, 105190, 147580, 210380, 494393, 988786, 1977572, 2471965, 4943930, 9887860]

約数ペア:

[(1, 9887860), (2, 4943930), (4, 2471965), (5, 1977572), (10, 988786), (20, 494393), (47, 210380), (67, 147580), (94, 105190), (134, 73790), (157, 62980), (188, 52595), (235, 42076), (268, 36895), (314, 31490), (335, 29516), (470, 21038), (628, 15745), (670, 14758), (785, 12596), (940, 10519), (1340, 7379), (1570, 6298), (3140, 3149)]