28214650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 26781830

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 109, 155, 167, 218, 310, 334, 545, 775, 835, 1090, 1550, 1670, 2725, 3379, 4175, 5177, 5450, 6758, 8350, 10354, 16895, 18203, 25885, 33790, 36406, 51770, 84475, 91015, 129425, 168950, 182030, 258850, 455075, 564293, 910150, 1128586, 2821465, 5642930, 14107325, 28214650]

約数ペア:

[(1, 28214650), (2, 14107325), (5, 5642930), (10, 2821465), (25, 1128586), (31, 910150), (50, 564293), (62, 455075), (109, 258850), (155, 182030), (167, 168950), (218, 129425), (310, 91015), (334, 84475), (545, 51770), (775, 36406), (835, 33790), (1090, 25885), (1550, 18203), (1670, 16895), (2725, 10354), (3379, 8350), (4175, 6758), (5177, 5450)]