15208027940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{691903}}^1$

素因数の和:692076

約数の個数: 48

約数和(自身を含む): 36731799552

約数和(自身を除く): 21523771612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 21980, 691903, 1383806, 2767612, 3459515, 4843321, 6919030, 9686642, 13838060, 19373284, 24216605, 48433210, 96866420, 108628771, 217257542, 434515084, 543143855, 760401397, 1086287710, 1520802794, 2172575420, 3041605588, 3802006985, 7604013970, 15208027940]

約数ペア:

[(1, 15208027940), (2, 7604013970), (4, 3802006985), (5, 3041605588), (7, 2172575420), (10, 1520802794), (14, 1086287710), (20, 760401397), (28, 543143855), (35, 434515084), (70, 217257542), (140, 108628771), (157, 96866420), (314, 48433210), (628, 24216605), (785, 19373284), (1099, 13838060), (1570, 9686642), (2198, 6919030), (3140, 4843321), (4396, 3459515), (5495, 2767612), (10990, 1383806), (21980, 691903)]