287770298840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3361}}^1\times {\mathrm{40387}}^1$

素因数の和:43812

約数の個数: 64

約数和(自身を含む): 659912456160

約数和(自身を除く): 372142157320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3361, 6722, 13444, 16805, 26888, 33610, 40387, 67220, 80774, 134440, 161548, 178133, 201935, 323096, 356266, 403870, 712532, 807740, 890665, 1425064, 1615480, 1781330, 2140511, 3562660, 4281022, 7125320, 8562044, 10702555, 17124088, 21405110, 42810220, 85620440, 135740707, 271481414, 542962828, 678703535, 1085925656, 1357407070, 2714814140, 5429628280, 7194257471, 14388514942, 28777029884, 35971287355, 57554059768, 71942574710, 143885149420, 287770298840]

約数ペア:

[(1, 287770298840), (2, 143885149420), (4, 71942574710), (5, 57554059768), (8, 35971287355), (10, 28777029884), (20, 14388514942), (40, 7194257471), (53, 5429628280), (106, 2714814140), (212, 1357407070), (265, 1085925656), (424, 678703535), (530, 542962828), (1060, 271481414), (2120, 135740707), (3361, 85620440), (6722, 42810220), (13444, 21405110), (16805, 17124088), (26888, 10702555), (33610, 8562044), (40387, 7125320), (67220, 4281022), (80774, 3562660), (134440, 2140511), (161548, 1781330), (178133, 1615480), (201935, 1425064), (323096, 890665), (356266, 807740), (403870, 712532)]