79758280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{40693}}^1$

素因数の和:40718

約数の個数: 48

約数和(自身を含む): 208760220

約数和(自身を除く): 129001940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 40693, 81386, 162772, 203465, 284851, 325544, 406930, 569702, 813860, 1139404, 1424255, 1627720, 1993957, 2278808, 2848510, 3987914, 5697020, 7975828, 9969785, 11394040, 15951656, 19939570, 39879140, 79758280]

約数ペア:

[(1, 79758280), (2, 39879140), (4, 19939570), (5, 15951656), (7, 11394040), (8, 9969785), (10, 7975828), (14, 5697020), (20, 3987914), (28, 2848510), (35, 2278808), (40, 1993957), (49, 1627720), (56, 1424255), (70, 1139404), (98, 813860), (140, 569702), (196, 406930), (245, 325544), (280, 284851), (392, 203465), (490, 162772), (980, 81386), (1960, 40693)]