1989512840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{29483}}^1$

素因数の和:29742

約数の個数: 64

約数和(自身を含む): 5137292160

約数和(自身を除く): 3147779320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 2410, 3374, 4820, 6748, 8435, 9640, 13496, 16870, 29483, 33740, 58966, 67480, 117932, 147415, 206381, 235864, 294830, 412762, 589660, 825524, 1031905, 1179320, 1651048, 2063810, 4127620, 7105403, 8255240, 14210806, 28421612, 35527015, 49737821, 56843224, 71054030, 99475642, 142108060, 198951284, 248689105, 284216120, 397902568, 497378210, 994756420, 1989512840]

約数ペア:

[(1, 1989512840), (2, 994756420), (4, 497378210), (5, 397902568), (7, 284216120), (8, 248689105), (10, 198951284), (14, 142108060), (20, 99475642), (28, 71054030), (35, 56843224), (40, 49737821), (56, 35527015), (70, 28421612), (140, 14210806), (241, 8255240), (280, 7105403), (482, 4127620), (964, 2063810), (1205, 1651048), (1687, 1179320), (1928, 1031905), (2410, 825524), (3374, 589660), (4820, 412762), (6748, 294830), (8435, 235864), (9640, 206381), (13496, 147415), (16870, 117932), (29483, 67480), (33740, 58966)]