208460368

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 60

約数和(自身を含む): 429889152

約数和(自身を除く): 221428784

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 307, 496, 592, 614, 1147, 1228, 1369, 2294, 2456, 2738, 4588, 4912, 5476, 9176, 9517, 10952, 11359, 18352, 19034, 21904, 22718, 38068, 42439, 45436, 76136, 84878, 90872, 152272, 169756, 181744, 339512, 352129, 420283, 679024, 704258, 840566, 1408516, 1681132, 2817032, 3362264, 5634064, 6724528, 13028773, 26057546, 52115092, 104230184, 208460368]

約数ペア:

[(1, 208460368), (2, 104230184), (4, 52115092), (8, 26057546), (16, 13028773), (31, 6724528), (37, 5634064), (62, 3362264), (74, 2817032), (124, 1681132), (148, 1408516), (248, 840566), (296, 704258), (307, 679024), (496, 420283), (592, 352129), (614, 339512), (1147, 181744), (1228, 169756), (1369, 152272), (2294, 90872), (2456, 84878), (2738, 76136), (4588, 45436), (4912, 42439), (5476, 38068), (9176, 22718), (9517, 21904), (10952, 19034), (11359, 18352)]