27899450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 54639360

約数和(自身を除く): 26739910

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 71, 142, 145, 271, 290, 355, 542, 710, 725, 1355, 1450, 1775, 2059, 2710, 3550, 4118, 6775, 7859, 10295, 13550, 15718, 19241, 20590, 38482, 39295, 51475, 78590, 96205, 102950, 192410, 196475, 392950, 481025, 557989, 962050, 1115978, 2789945, 5579890, 13949725, 27899450]

約数ペア:

[(1, 27899450), (2, 13949725), (5, 5579890), (10, 2789945), (25, 1115978), (29, 962050), (50, 557989), (58, 481025), (71, 392950), (142, 196475), (145, 192410), (271, 102950), (290, 96205), (355, 78590), (542, 51475), (710, 39295), (725, 38482), (1355, 20590), (1450, 19241), (1775, 15718), (2059, 13550), (2710, 10295), (3550, 7859), (4118, 6775)]