75898780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 163658880

約数和(自身を除く): 87760100

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 131, 236, 262, 295, 491, 524, 590, 655, 982, 1180, 1310, 1964, 2455, 2620, 4910, 7729, 9820, 15458, 28969, 30916, 38645, 57938, 64321, 77290, 115876, 128642, 144845, 154580, 257284, 289690, 321605, 579380, 643210, 1286420, 3794939, 7589878, 15179756, 18974695, 37949390, 75898780]

約数ペア:

[(1, 75898780), (2, 37949390), (4, 18974695), (5, 15179756), (10, 7589878), (20, 3794939), (59, 1286420), (118, 643210), (131, 579380), (236, 321605), (262, 289690), (295, 257284), (491, 154580), (524, 144845), (590, 128642), (655, 115876), (982, 77290), (1180, 64321), (1310, 57938), (1964, 38645), (2455, 30916), (2620, 28969), (4910, 15458), (7729, 9820)]