67699640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 158004000

約数和(自身を除く): 90304360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 149, 185, 296, 298, 307, 370, 596, 614, 740, 745, 1192, 1228, 1480, 1490, 1535, 2456, 2980, 3070, 5513, 5960, 6140, 11026, 11359, 12280, 22052, 22718, 27565, 44104, 45436, 45743, 55130, 56795, 90872, 91486, 110260, 113590, 182972, 220520, 227180, 228715, 365944, 454360, 457430, 914860, 1692491, 1829720, 3384982, 6769964, 8462455, 13539928, 16924910, 33849820, 67699640]

約数ペア:

[(1, 67699640), (2, 33849820), (4, 16924910), (5, 13539928), (8, 8462455), (10, 6769964), (20, 3384982), (37, 1829720), (40, 1692491), (74, 914860), (148, 457430), (149, 454360), (185, 365944), (296, 228715), (298, 227180), (307, 220520), (370, 182972), (596, 113590), (614, 110260), (740, 91486), (745, 90872), (1192, 56795), (1228, 55130), (1480, 45743), (1490, 45436), (1535, 44104), (2456, 27565), (2980, 22718), (3070, 22052), (5513, 12280), (5960, 11359), (6140, 11026)]