215324900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2213}}^1$

素因数の和:2373

約数の個数: 72

約数和(自身を含む): 538090560

約数和(自身を除く): 322765660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 139, 140, 175, 278, 350, 556, 695, 700, 973, 1390, 1946, 2213, 2780, 3475, 3892, 4426, 4865, 6950, 8852, 9730, 11065, 13900, 15491, 19460, 22130, 24325, 30982, 44260, 48650, 55325, 61964, 77455, 97300, 110650, 154910, 221300, 307607, 309820, 387275, 615214, 774550, 1230428, 1538035, 1549100, 2153249, 3076070, 4306498, 6152140, 7690175, 8612996, 10766245, 15380350, 21532490, 30760700, 43064980, 53831225, 107662450, 215324900]

約数ペア:

[(1, 215324900), (2, 107662450), (4, 53831225), (5, 43064980), (7, 30760700), (10, 21532490), (14, 15380350), (20, 10766245), (25, 8612996), (28, 7690175), (35, 6152140), (50, 4306498), (70, 3076070), (100, 2153249), (139, 1549100), (140, 1538035), (175, 1230428), (278, 774550), (350, 615214), (556, 387275), (695, 309820), (700, 307607), (973, 221300), (1390, 154910), (1946, 110650), (2213, 97300), (2780, 77455), (3475, 61964), (3892, 55325), (4426, 48650), (4865, 44260), (6950, 30982), (8852, 24325), (9730, 22130), (11065, 19460), (13900, 15491)]