28391950

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 55130400

約数和(自身を除く): 26738450

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 103, 149, 185, 206, 298, 370, 515, 745, 925, 1030, 1490, 1850, 2575, 3725, 3811, 5150, 5513, 7450, 7622, 11026, 15347, 19055, 27565, 30694, 38110, 55130, 76735, 95275, 137825, 153470, 190550, 275650, 383675, 567839, 767350, 1135678, 2839195, 5678390, 14195975, 28391950]

約数ペア:

[(1, 28391950), (2, 14195975), (5, 5678390), (10, 2839195), (25, 1135678), (37, 767350), (50, 567839), (74, 383675), (103, 275650), (149, 190550), (185, 153470), (206, 137825), (298, 95275), (370, 76735), (515, 55130), (745, 38110), (925, 30694), (1030, 27565), (1490, 19055), (1850, 15347), (2575, 11026), (3725, 7622), (3811, 7450), (5150, 5513)]