149394640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109849}}^1$

素因数の和:109879

約数の個数: 40

約数和(自身を含む): 367777800

約数和(自身を除く): 218383160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 109849, 219698, 439396, 549245, 878792, 1098490, 1757584, 1867433, 2196980, 3734866, 4393960, 7469732, 8787920, 9337165, 14939464, 18674330, 29878928, 37348660, 74697320, 149394640]

約数ペア:

[(1, 149394640), (2, 74697320), (4, 37348660), (5, 29878928), (8, 18674330), (10, 14939464), (16, 9337165), (17, 8787920), (20, 7469732), (34, 4393960), (40, 3734866), (68, 2196980), (80, 1867433), (85, 1757584), (136, 1098490), (170, 878792), (272, 549245), (340, 439396), (680, 219698), (1360, 109849)]