15139450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 29830680

約数和(自身を除く): 14691230

約数列:

[1, 2, 5, 10, 25, 29, 50, 53, 58, 106, 145, 197, 265, 290, 394, 530, 725, 985, 1325, 1450, 1537, 1970, 2650, 3074, 4925, 5713, 7685, 9850, 10441, 11426, 15370, 20882, 28565, 38425, 52205, 57130, 76850, 104410, 142825, 261025, 285650, 302789, 522050, 605578, 1513945, 3027890, 7569725, 15139450]

約数ペア:

[(1, 15139450), (2, 7569725), (5, 3027890), (10, 1513945), (25, 605578), (29, 522050), (50, 302789), (53, 285650), (58, 261025), (106, 142825), (145, 104410), (197, 76850), (265, 57130), (290, 52205), (394, 38425), (530, 28565), (725, 20882), (985, 15370), (1325, 11426), (1450, 10441), (1537, 9850), (1970, 7685), (2650, 5713), (3074, 4925)]