388285280

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{23561}}^1$

素因数の和:23679

約数の個数: 48

約数和(自身を含む): 926269344

約数和(自身を除く): 537984064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 16480, 23561, 47122, 94244, 117805, 188488, 235610, 376976, 471220, 753952, 942440, 1884880, 2426783, 3769760, 4853566, 9707132, 12133915, 19414264, 24267830, 38828528, 48535660, 77657056, 97071320, 194142640, 388285280]

約数ペア:

[(1, 388285280), (2, 194142640), (4, 97071320), (5, 77657056), (8, 48535660), (10, 38828528), (16, 24267830), (20, 19414264), (32, 12133915), (40, 9707132), (80, 4853566), (103, 3769760), (160, 2426783), (206, 1884880), (412, 942440), (515, 753952), (824, 471220), (1030, 376976), (1648, 235610), (2060, 188488), (3296, 117805), (4120, 94244), (8240, 47122), (16480, 23561)]