28722730

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 53557200

約数和(自身を除く): 24834470

約数列:

[1, 2, 5, 10, 37, 74, 149, 185, 298, 370, 521, 745, 1042, 1490, 2605, 5210, 5513, 11026, 19277, 27565, 38554, 55130, 77629, 96385, 155258, 192770, 388145, 776290, 2872273, 5744546, 14361365, 28722730]

約数ペア:

[(1, 28722730), (2, 14361365), (5, 5744546), (10, 2872273), (37, 776290), (74, 388145), (149, 192770), (185, 155258), (298, 96385), (370, 77629), (521, 55130), (745, 38554), (1042, 27565), (1490, 19277), (2605, 11026), (5210, 5513)]