88877990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 164989440

約数和(自身を除く): 76111450

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 695, 1390, 1487, 2974, 5977, 7435, 11954, 14870, 29885, 59770, 63941, 127882, 206693, 319705, 413386, 639410, 1033465, 2066930, 8887799, 17775598, 44438995, 88877990]

約数ペア:

[(1, 88877990), (2, 44438995), (5, 17775598), (10, 8887799), (43, 2066930), (86, 1033465), (139, 639410), (215, 413386), (278, 319705), (430, 206693), (695, 127882), (1390, 63941), (1487, 59770), (2974, 29885), (5977, 14870), (7435, 11954)]