391988480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23557}}^1$

素因数の和:23591

約数の個数: 72

約数和(自身を含む): 1011203592

約数和(自身を除く): 619215112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 23557, 47114, 94228, 117785, 188456, 235570, 306241, 376912, 471140, 612482, 753824, 942280, 1224964, 1507648, 1531205, 1884560, 2449928, 3015296, 3062410, 3769120, 4899856, 6030592, 6124820, 7538240, 9799712, 12249640, 15076480, 19599424, 24499280, 30152960, 39198848, 48998560, 78397696, 97997120, 195994240, 391988480]

約数ペア:

[(1, 391988480), (2, 195994240), (4, 97997120), (5, 78397696), (8, 48998560), (10, 39198848), (13, 30152960), (16, 24499280), (20, 19599424), (26, 15076480), (32, 12249640), (40, 9799712), (52, 7538240), (64, 6124820), (65, 6030592), (80, 4899856), (104, 3769120), (128, 3062410), (130, 3015296), (160, 2449928), (208, 1884560), (256, 1531205), (260, 1507648), (320, 1224964), (416, 942280), (520, 753824), (640, 612482), (832, 471140), (1040, 376912), (1280, 306241), (1664, 235570), (2080, 188456), (3328, 117785), (4160, 94228), (8320, 47114), (16640, 23557)]