121566140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 260844192

約数和(自身を除く): 139278052

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 257, 268, 335, 353, 514, 670, 706, 1028, 1285, 1340, 1412, 1765, 2570, 3530, 5140, 7060, 17219, 23651, 34438, 47302, 68876, 86095, 90721, 94604, 118255, 172190, 181442, 236510, 344380, 362884, 453605, 473020, 907210, 1814420, 6078307, 12156614, 24313228, 30391535, 60783070, 121566140]

約数ペア:

[(1, 121566140), (2, 60783070), (4, 30391535), (5, 24313228), (10, 12156614), (20, 6078307), (67, 1814420), (134, 907210), (257, 473020), (268, 453605), (335, 362884), (353, 344380), (514, 236510), (670, 181442), (706, 172190), (1028, 118255), (1285, 94604), (1340, 90721), (1412, 86095), (1765, 68876), (2570, 47302), (3530, 34438), (5140, 23651), (7060, 17219)]