28671350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 57250800

約数和(自身を除く): 28579450

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 170, 178, 379, 425, 445, 758, 850, 890, 1513, 1895, 2225, 3026, 3790, 4450, 6443, 7565, 9475, 12886, 15130, 18950, 32215, 33731, 37825, 64430, 67462, 75650, 161075, 168655, 322150, 337310, 573427, 843275, 1146854, 1686550, 2867135, 5734270, 14335675, 28671350]

約数ペア:

[(1, 28671350), (2, 14335675), (5, 5734270), (10, 2867135), (17, 1686550), (25, 1146854), (34, 843275), (50, 573427), (85, 337310), (89, 322150), (170, 168655), (178, 161075), (379, 75650), (425, 67462), (445, 64430), (758, 37825), (850, 33731), (890, 32215), (1513, 18950), (1895, 15130), (2225, 12886), (3026, 9475), (3790, 7565), (4450, 6443)]