389174080

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28283}}^1$

素因数の和:28343

約数の個数: 56

約数和(自身を含む): 948305952

約数和(自身を除く): 559131872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 28283, 56566, 113132, 141415, 226264, 282830, 452528, 565660, 905056, 1131320, 1216169, 1810112, 2262640, 2432338, 4525280, 4864676, 6080845, 9050560, 9729352, 12161690, 19458704, 24323380, 38917408, 48646760, 77834816, 97293520, 194587040, 389174080]

約数ペア:

[(1, 389174080), (2, 194587040), (4, 97293520), (5, 77834816), (8, 48646760), (10, 38917408), (16, 24323380), (20, 19458704), (32, 12161690), (40, 9729352), (43, 9050560), (64, 6080845), (80, 4864676), (86, 4525280), (160, 2432338), (172, 2262640), (215, 1810112), (320, 1216169), (344, 1131320), (430, 905056), (688, 565660), (860, 452528), (1376, 282830), (1720, 226264), (2752, 141415), (3440, 113132), (6880, 56566), (13760, 28283)]