1438961660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{4831}}^1$

素因数の和:5174

約数の個数: 48

約数和(自身を含む): 3090431232

約数和(自身を除く): 1651469572

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 281, 530, 562, 1060, 1124, 1405, 2810, 4831, 5620, 9662, 14893, 19324, 24155, 29786, 48310, 59572, 74465, 96620, 148930, 256043, 297860, 512086, 1024172, 1280215, 1357511, 2560430, 2715022, 5120860, 5430044, 6787555, 13575110, 27150220, 71948083, 143896166, 287792332, 359740415, 719480830, 1438961660]

約数ペア:

[(1, 1438961660), (2, 719480830), (4, 359740415), (5, 287792332), (10, 143896166), (20, 71948083), (53, 27150220), (106, 13575110), (212, 6787555), (265, 5430044), (281, 5120860), (530, 2715022), (562, 2560430), (1060, 1357511), (1124, 1280215), (1405, 1024172), (2810, 512086), (4831, 297860), (5620, 256043), (9662, 148930), (14893, 96620), (19324, 74465), (24155, 59572), (29786, 48310)]