213426640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2203}}^1$

素因数の和:2396

約数の個数: 80

約数和(自身を含む): 570642048

約数和(自身を除く): 357215408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 346, 560, 692, 865, 1211, 1384, 1730, 2203, 2422, 2768, 3460, 4406, 4844, 6055, 6920, 8812, 9688, 11015, 12110, 13840, 15421, 17624, 19376, 22030, 24220, 30842, 35248, 44060, 48440, 61684, 77105, 88120, 96880, 123368, 154210, 176240, 246736, 308420, 381119, 616840, 762238, 1233680, 1524476, 1905595, 2667833, 3048952, 3811190, 5335666, 6097904, 7622380, 10671332, 13339165, 15244760, 21342664, 26678330, 30489520, 42685328, 53356660, 106713320, 213426640]

約数ペア:

[(1, 213426640), (2, 106713320), (4, 53356660), (5, 42685328), (7, 30489520), (8, 26678330), (10, 21342664), (14, 15244760), (16, 13339165), (20, 10671332), (28, 7622380), (35, 6097904), (40, 5335666), (56, 3811190), (70, 3048952), (80, 2667833), (112, 1905595), (140, 1524476), (173, 1233680), (280, 762238), (346, 616840), (560, 381119), (692, 308420), (865, 246736), (1211, 176240), (1384, 154210), (1730, 123368), (2203, 96880), (2422, 88120), (2768, 77105), (3460, 61684), (4406, 48440), (4844, 44060), (6055, 35248), (6920, 30842), (8812, 24220), (9688, 22030), (11015, 19376), (12110, 17624), (13840, 15421)]